The wheel is a circular component that rotates on an axial bearing to facilitate movement or transportation while supporting a load. Common examples include wheels on vehicles like cars, bicycles, and carts. Wheels greatly reduce friction compared to dragging or sledding by allowing rolling motion. Early wheels were solid wooden disks, while spoked wheels later allowed for lighter construction. Wheels have had many uses throughout history and symbolize concepts like progress and spiritual cycles.
The document discusses the history and development of wheels from ancient times to modern day. It notes that wheels were first used in pottery around 3500 BC in Mesopotamia and then for transportation around 3200 BC in chariots. Wheels with spokes were developed in Egypt around 2000 BC and spread to Europe by 1400 BC. Wheels drove changes that advanced civilization globally. The document concludes by emphasizing that change is constant and necessary for progress, and encourages the reader to embrace change in their own life to better the world.
The wheel is one of the oldest and most important inventions in history. It originated in ancient Mesopotamia around 3000 BC and spread to Europe and Western Asia by the 4th millennium BC. The wheel allowed for transportation of people and goods with less physical effort and enabled later technologies like the water wheel, cogwheel, spinning wheel, and astrolabe. Its invention was pivotal as it facilitated movement and transportation, ultimately influencing many other technologies throughout history.
The document discusses the history and components of wheels. It notes that wheels were invented around 3150 BC and provided evidence of wheeled vehicles from the mid-4th millennium BC in several ancient cultures. It then describes the key components of a wheel, including the rim, hub, spokes, axle, and tire. It explains how wheels enable efficient movement across surfaces and reduce friction compared to dragging or sliding an object.
The revolutionary invention of the wheelUttaranews24
The Industrial Revolution the wheel became the central component of technology, and came to be used in thousands of ways in countless different mechanisms.
The document summarizes the invention of the wheel, believed to be one of the most important inventions in human history. It was likely invented around 8,000 BC in Asia and later appeared in locations in Northern Caucasus, Central Europe and Mesopotamia around 4,000 BC. While the earliest definitive evidence of wheels comes from Mesopotamia in 3500 BC, the wheel revolutionized transportation and helped carry heavy loads, making it difficult to imagine modern mechanized systems without it.
The Great Pyramid of Giza was built around 2560 BC as a tomb for the Egyptian pharaoh Khufu. It was constructed over a 20-year period using over 2 million stone blocks, some weighing over two tons. When completed, it was the tallest human-made structure in the world for over 3,800 years. The pyramid is precisely oriented to the four cardinal directions and built with incredibly precise measurements and stonework. It remains one of the largest and oldest man-made structures still standing today.
The document summarizes key structures and features of the Giza Necropolis in Egypt, including the three main pyramids of Khufu, Khafre, and Menkaure. It describes the Sphinx as the largest single stone statue on Earth. It provides details about the sizes and unique aspects of each pyramid, such as Khafre's pyramid retaining some of its limestone casing and Menkaure's pyramid originally containing a beautiful sarcophagus. The Pyramid of Khufu, the largest of the three, was the world's tallest building for over a thousand years and contained over 2 million stone blocks, each weighing around 2 tons.
Ancient Egyptians built pyramids using tools like copper saws, chisels, and adzes to shape limestone and granite stones. The pyramid building process involved [1] finding suitable land, [2] cutting and shaping stones, [3] laying the first layer of blocks, [4] building ramps to raise additional layers, and [5] continuing construction until leaving a hole at the top to place the pharaoh's mummy inside secret chambers. Pyramids were built as elaborate tombs for pharaohs because ancient Egyptians believed the elaborate structures would allow the pharaoh's spirit to transcend into the afterlife.
The document discusses the history and development of wheels from ancient times to modern day. It notes that wheels were first used in pottery around 3500 BC in Mesopotamia and then for transportation around 3200 BC in chariots. Wheels with spokes were developed in Egypt around 2000 BC and spread to Europe by 1400 BC. Wheels drove changes that advanced civilization globally. The document concludes by emphasizing that change is constant and necessary for progress, and encourages the reader to embrace change in their own life to better the world.
The wheel is one of the oldest and most important inventions in history. It originated in ancient Mesopotamia around 3000 BC and spread to Europe and Western Asia by the 4th millennium BC. The wheel allowed for transportation of people and goods with less physical effort and enabled later technologies like the water wheel, cogwheel, spinning wheel, and astrolabe. Its invention was pivotal as it facilitated movement and transportation, ultimately influencing many other technologies throughout history.
The document discusses the history and components of wheels. It notes that wheels were invented around 3150 BC and provided evidence of wheeled vehicles from the mid-4th millennium BC in several ancient cultures. It then describes the key components of a wheel, including the rim, hub, spokes, axle, and tire. It explains how wheels enable efficient movement across surfaces and reduce friction compared to dragging or sliding an object.
The revolutionary invention of the wheelUttaranews24
The Industrial Revolution the wheel became the central component of technology, and came to be used in thousands of ways in countless different mechanisms.
The document summarizes the invention of the wheel, believed to be one of the most important inventions in human history. It was likely invented around 8,000 BC in Asia and later appeared in locations in Northern Caucasus, Central Europe and Mesopotamia around 4,000 BC. While the earliest definitive evidence of wheels comes from Mesopotamia in 3500 BC, the wheel revolutionized transportation and helped carry heavy loads, making it difficult to imagine modern mechanized systems without it.
The Great Pyramid of Giza was built around 2560 BC as a tomb for the Egyptian pharaoh Khufu. It was constructed over a 20-year period using over 2 million stone blocks, some weighing over two tons. When completed, it was the tallest human-made structure in the world for over 3,800 years. The pyramid is precisely oriented to the four cardinal directions and built with incredibly precise measurements and stonework. It remains one of the largest and oldest man-made structures still standing today.
The document summarizes key structures and features of the Giza Necropolis in Egypt, including the three main pyramids of Khufu, Khafre, and Menkaure. It describes the Sphinx as the largest single stone statue on Earth. It provides details about the sizes and unique aspects of each pyramid, such as Khafre's pyramid retaining some of its limestone casing and Menkaure's pyramid originally containing a beautiful sarcophagus. The Pyramid of Khufu, the largest of the three, was the world's tallest building for over a thousand years and contained over 2 million stone blocks, each weighing around 2 tons.
Ancient Egyptians built pyramids using tools like copper saws, chisels, and adzes to shape limestone and granite stones. The pyramid building process involved [1] finding suitable land, [2] cutting and shaping stones, [3] laying the first layer of blocks, [4] building ramps to raise additional layers, and [5] continuing construction until leaving a hole at the top to place the pharaoh's mummy inside secret chambers. Pyramids were built as elaborate tombs for pharaohs because ancient Egyptians believed the elaborate structures would allow the pharaoh's spirit to transcend into the afterlife.
Ancient egypt (Great Pyramid Khufu's pyramid)E-pul Kr
Daily life in ancient Egypt revolved around the Nile River. The annual flooding of the Nile enriched the soil and allowed for good harvests. Most Egyptians were farmers who lived in mudbrick homes in villages along the Nile. They grew their own food and traded with others. The ancient Egyptians also built large pyramids to serve as tombs for pharaohs. The largest of these pyramids, known as the Great Pyramid, was built at Giza for the pharaoh Khufu. It took around 20 years and a large workforce to construct the pyramid using stones weighing 2-4 tons each that were dragged into place up ramps.
The Great Pyramids were built in ancient Egypt as royal burial chambers for pharaohs. There were three main types of pyramids: true pyramids with four triangular sides meeting at a point, bent pyramids which change angle part way up, and stepped pyramids with layers that decrease in size. The pyramids were built using limestone and sandstone, with some like the Red Pyramid at Dashur using reddish sandstone for their cores. They were precisely located and experiments show objects stored inside pyramids can be better preserved.
The Great Pyramid of Giza in Egypt was constructed around 2500 BC as the tomb of the Pharaoh Khufu. It was built over 20 years using around 2.3 million stone blocks and 100,000 workers, though how it was constructed remains a mystery. Standing 480 feet tall with a base of 750 feet per side, it remains one of the oldest structures in the world and an engineering marvel made of limestone.
There are between 81 and 112 pyramids located throughout Egypt. Most pyramids are found in northern or southern Egypt, and it took an average of 27 years to construct each pyramid. The largest and oldest pyramid is the Great Pyramid of Giza, built for Pharaoh Khufu around 2560 BC. It is the only surviving structure of the Seven Wonders of the Ancient World. Other notable pyramids include the mostly ruined pyramid of Djedefre at Abu Rawash, the earliest step pyramid at Saqqara built under Djozer, and the pyramids at Dahshur including the Black Pyramid built for Amenemhet III.
The document discusses wheels and axles, describing them as a circular frame with an axle through the center of a wheel that revolves around the axle. Wheels and axles were invented over 8,000 years ago in Asia and allow objects like windmills, cars, and biplanes to move using a wheel rotating on an axle.
- The first Egyptian pyramid was built for Pharaoh Djoser and designed by Imhotep, taking the form of a step pyramid to allow the pharaoh's soul to ascend to heaven.
- After Egypt came under rule from Napata, pyramid building revived in Sudan, with over 200 constructed.
- Pyramids were designed with symbolic meanings, representing the primordial mound from which Egypt was created and the sun's rays, being faced with reflective limestone.
Early humans walked or dragged items, developing worn paths. The development of the wheel led to wheeled vehicles like sleds and the first roads made of packed materials. Over thousands of years, transportation technologies advanced with domesticated animals, sails, wheeled vehicles, stone-surfaced roads, and harnessing and iron horseshoes. Major developments included the first steam road vehicle and steamboat in the late 18th century, macadam roads in the early 19th century, and the automobile in the late 19th century which led to the modern highway system. Transportation has since expanded to flight, space travel, and beyond.
The Pyramids of Giza consist of three large pyramids built for Khufu, Khafre, and Menkaure between around 2560 and 2490 BC. Khufu's Pyramid is the largest, built for Khufu around 2560 BC using an estimated 100,000 slaves. The Pyramids of Giza were declared a UNESCO World Heritage Site in 1979 due to their immense size and importance as representations of ancient Egyptian civilization and funerary practices. Today the pyramids are protected and maintained by the Egyptian government and organizations like UNESCO to preserve them for future generations.
Ancient Egyptian Pyramids - Mystery of EgyptAsk Aladdin
When one thinks of Egypt it is hard to do so without seeing the pyramids in the mind's eye. These piles of limestone or mud brick are the oldest known manmade structures on our planet.See more:http://www.ask-aladdin.com/Pyramids-of-Egypt/
The document discusses the Great Pyramid of Giza in Egypt. It was built around 2570 BC and was the tallest man-made structure for over 3,800 years until the Lincoln Cathedral was constructed. The pyramid was ordered built by Pharaoh Khufu and constructed by his vizier Hemiunu using an estimated 2.3 million stone blocks. There are two main theories for how it was built - that slaves were used or that highly skilled paid workers completed the massive project.
The ancient Egyptians built pyramids to serve as tombs for pharaohs and other royalty. They believed the pharaohs would need their possessions in the afterlife. It is estimated that around 20,000-30,000 laborers worked for many years to construct the pyramids. The pyramids contained burial chambers and treasures for the deceased pharaoh. Egyptians may have chosen the pyramid shape because it resembled the Ben Ben stone in early temples and symbolized the pharaoh's connection with the gods. The first pyramid was built at Saqqara as a tomb for Pharaoh Djoser.
The Great Pyramid of Giza is the oldest and largest of the three pyramids located in Giza, Egypt. It was built as a tomb for the Egyptian Pharaoh Khufu around 2560 BC. At its original height of 146.5 meters, it was the tallest man-made structure in the world for over 3,800 years. While it is believed to have been built as a royal tomb, there are many unsolved mysteries about the pyramid, such as the lack of evidence for burial ceremonies inside and its precise dimensions and alignments. Various theories have been proposed over the centuries to explain these mysteries, including that it was built by aliens or contains hidden messages about events in history.
The ancient Egyptians built pyramids as tombs for pharaohs and their queens. The three largest pyramids were built at Giza during the Old Kingdom. Pyramids were designed with symbolic meanings, representing the primordial mound the Egyptians believed the earth originated from and the sun's rays. The largest, the Great Pyramid of Giza, was built as a tomb for the pharaoh Khufu and remained the world's tallest building for over 3,000 years. Step pyramids were early pyramid designs, including one built for Pharaoh Djoser. The Great Sphinx is thought to represent Pharaoh Khafra and was later buried by sand until its excavation
The document discusses pyramids, noting that Egypt has more pyramids than any other country. It specifically describes the Great Pyramid of Giza, the oldest pyramid in the world located near Cairo, which stands 146.5 meters tall and was built as the tomb of Pharaoh Khufu. The pyramids were constructed to serve as tombs for kings and pharaohs, with the three large pyramids at Giza built for Khufu, Khephren, and Mycerinus. Large pyramids can also be found in other parts of the world, such as Guatemala.
The Great Sphinx of Giza was carved from limestone during the reign of Pharaoh Khafre around 4,600 years ago and stands guard behind Khafre's pyramid. The Egyptians built pyramids as tombs for pharaohs and their queens starting before the Old Kingdom, with the three largest at Giza constructed over three generations for Khufu, Khafre, and Menkaure. While it was once believed that slaves built Khufu's pyramid, it was actually constructed by 100,000 workers during the Nile's annual flooding. The Pyramid of Saqqara was the first to be built out of stone blocks rather than mudbrick and served as the prototype for later
The document provides information about the Great Pyramids of Egypt, including their history, construction, and appearances. It discusses how the pyramids were built as tombs for pharaohs between 2580 BC to 1700 BC. Their construction involved leveling the site, cutting stone blocks, and building ramps to move materials into place over many years using shifts of 100,000 workers. The three main types - true, bent, and stepped - have different shapes and were constructed through various periods over thousands of years as monuments and tombs in ancient Egypt.
The Great Pyramid of Giza was commissioned by Pharaoh Khufu around 2560 BC to serve as his tomb. It took over 20 years and the labor of thousands of workers to construct the pyramid out of over 2 million stone blocks. At 481 feet tall, it was the tallest man-made structure in the world for over 3,800 years. Located on the Giza plateau near modern-day Cairo, the pyramid now serves as a major tourist attraction and site of archaeological study.
A wheel is the greatest human inventionDiscoverivan
The document lists different types of wheels including stone wheels, wooden wheels, steering wheels, and bicycle wheels. It also mentions mills powered by water wheels such as water mills. Finally, it includes the London Eye ferris wheel as an example.
This activity involves a whole class reviewing together. Students are directed to spin something three times as part of the review activity. The document provides directions for the class to participate in a review activity but does not give any other context about the topic being reviewed or how spinning relates to the review.
Walmart and Nutech are partnering to create an automated "Perfume Center" to address theft issues in Walmart's perfume department. Nutech will provide customized automated retail centers that allow employees and customers to purchase perfume without direct interaction. The centers will use technology like touchscreens, cashless payment, and inventory management to provide an improved shopping experience.
Ancient egypt (Great Pyramid Khufu's pyramid)E-pul Kr
Daily life in ancient Egypt revolved around the Nile River. The annual flooding of the Nile enriched the soil and allowed for good harvests. Most Egyptians were farmers who lived in mudbrick homes in villages along the Nile. They grew their own food and traded with others. The ancient Egyptians also built large pyramids to serve as tombs for pharaohs. The largest of these pyramids, known as the Great Pyramid, was built at Giza for the pharaoh Khufu. It took around 20 years and a large workforce to construct the pyramid using stones weighing 2-4 tons each that were dragged into place up ramps.
The Great Pyramids were built in ancient Egypt as royal burial chambers for pharaohs. There were three main types of pyramids: true pyramids with four triangular sides meeting at a point, bent pyramids which change angle part way up, and stepped pyramids with layers that decrease in size. The pyramids were built using limestone and sandstone, with some like the Red Pyramid at Dashur using reddish sandstone for their cores. They were precisely located and experiments show objects stored inside pyramids can be better preserved.
The Great Pyramid of Giza in Egypt was constructed around 2500 BC as the tomb of the Pharaoh Khufu. It was built over 20 years using around 2.3 million stone blocks and 100,000 workers, though how it was constructed remains a mystery. Standing 480 feet tall with a base of 750 feet per side, it remains one of the oldest structures in the world and an engineering marvel made of limestone.
There are between 81 and 112 pyramids located throughout Egypt. Most pyramids are found in northern or southern Egypt, and it took an average of 27 years to construct each pyramid. The largest and oldest pyramid is the Great Pyramid of Giza, built for Pharaoh Khufu around 2560 BC. It is the only surviving structure of the Seven Wonders of the Ancient World. Other notable pyramids include the mostly ruined pyramid of Djedefre at Abu Rawash, the earliest step pyramid at Saqqara built under Djozer, and the pyramids at Dahshur including the Black Pyramid built for Amenemhet III.
The document discusses wheels and axles, describing them as a circular frame with an axle through the center of a wheel that revolves around the axle. Wheels and axles were invented over 8,000 years ago in Asia and allow objects like windmills, cars, and biplanes to move using a wheel rotating on an axle.
- The first Egyptian pyramid was built for Pharaoh Djoser and designed by Imhotep, taking the form of a step pyramid to allow the pharaoh's soul to ascend to heaven.
- After Egypt came under rule from Napata, pyramid building revived in Sudan, with over 200 constructed.
- Pyramids were designed with symbolic meanings, representing the primordial mound from which Egypt was created and the sun's rays, being faced with reflective limestone.
Early humans walked or dragged items, developing worn paths. The development of the wheel led to wheeled vehicles like sleds and the first roads made of packed materials. Over thousands of years, transportation technologies advanced with domesticated animals, sails, wheeled vehicles, stone-surfaced roads, and harnessing and iron horseshoes. Major developments included the first steam road vehicle and steamboat in the late 18th century, macadam roads in the early 19th century, and the automobile in the late 19th century which led to the modern highway system. Transportation has since expanded to flight, space travel, and beyond.
The Pyramids of Giza consist of three large pyramids built for Khufu, Khafre, and Menkaure between around 2560 and 2490 BC. Khufu's Pyramid is the largest, built for Khufu around 2560 BC using an estimated 100,000 slaves. The Pyramids of Giza were declared a UNESCO World Heritage Site in 1979 due to their immense size and importance as representations of ancient Egyptian civilization and funerary practices. Today the pyramids are protected and maintained by the Egyptian government and organizations like UNESCO to preserve them for future generations.
Ancient Egyptian Pyramids - Mystery of EgyptAsk Aladdin
When one thinks of Egypt it is hard to do so without seeing the pyramids in the mind's eye. These piles of limestone or mud brick are the oldest known manmade structures on our planet.See more:http://www.ask-aladdin.com/Pyramids-of-Egypt/
The document discusses the Great Pyramid of Giza in Egypt. It was built around 2570 BC and was the tallest man-made structure for over 3,800 years until the Lincoln Cathedral was constructed. The pyramid was ordered built by Pharaoh Khufu and constructed by his vizier Hemiunu using an estimated 2.3 million stone blocks. There are two main theories for how it was built - that slaves were used or that highly skilled paid workers completed the massive project.
The ancient Egyptians built pyramids to serve as tombs for pharaohs and other royalty. They believed the pharaohs would need their possessions in the afterlife. It is estimated that around 20,000-30,000 laborers worked for many years to construct the pyramids. The pyramids contained burial chambers and treasures for the deceased pharaoh. Egyptians may have chosen the pyramid shape because it resembled the Ben Ben stone in early temples and symbolized the pharaoh's connection with the gods. The first pyramid was built at Saqqara as a tomb for Pharaoh Djoser.
The Great Pyramid of Giza is the oldest and largest of the three pyramids located in Giza, Egypt. It was built as a tomb for the Egyptian Pharaoh Khufu around 2560 BC. At its original height of 146.5 meters, it was the tallest man-made structure in the world for over 3,800 years. While it is believed to have been built as a royal tomb, there are many unsolved mysteries about the pyramid, such as the lack of evidence for burial ceremonies inside and its precise dimensions and alignments. Various theories have been proposed over the centuries to explain these mysteries, including that it was built by aliens or contains hidden messages about events in history.
The ancient Egyptians built pyramids as tombs for pharaohs and their queens. The three largest pyramids were built at Giza during the Old Kingdom. Pyramids were designed with symbolic meanings, representing the primordial mound the Egyptians believed the earth originated from and the sun's rays. The largest, the Great Pyramid of Giza, was built as a tomb for the pharaoh Khufu and remained the world's tallest building for over 3,000 years. Step pyramids were early pyramid designs, including one built for Pharaoh Djoser. The Great Sphinx is thought to represent Pharaoh Khafra and was later buried by sand until its excavation
The document discusses pyramids, noting that Egypt has more pyramids than any other country. It specifically describes the Great Pyramid of Giza, the oldest pyramid in the world located near Cairo, which stands 146.5 meters tall and was built as the tomb of Pharaoh Khufu. The pyramids were constructed to serve as tombs for kings and pharaohs, with the three large pyramids at Giza built for Khufu, Khephren, and Mycerinus. Large pyramids can also be found in other parts of the world, such as Guatemala.
The Great Sphinx of Giza was carved from limestone during the reign of Pharaoh Khafre around 4,600 years ago and stands guard behind Khafre's pyramid. The Egyptians built pyramids as tombs for pharaohs and their queens starting before the Old Kingdom, with the three largest at Giza constructed over three generations for Khufu, Khafre, and Menkaure. While it was once believed that slaves built Khufu's pyramid, it was actually constructed by 100,000 workers during the Nile's annual flooding. The Pyramid of Saqqara was the first to be built out of stone blocks rather than mudbrick and served as the prototype for later
The document provides information about the Great Pyramids of Egypt, including their history, construction, and appearances. It discusses how the pyramids were built as tombs for pharaohs between 2580 BC to 1700 BC. Their construction involved leveling the site, cutting stone blocks, and building ramps to move materials into place over many years using shifts of 100,000 workers. The three main types - true, bent, and stepped - have different shapes and were constructed through various periods over thousands of years as monuments and tombs in ancient Egypt.
The Great Pyramid of Giza was commissioned by Pharaoh Khufu around 2560 BC to serve as his tomb. It took over 20 years and the labor of thousands of workers to construct the pyramid out of over 2 million stone blocks. At 481 feet tall, it was the tallest man-made structure in the world for over 3,800 years. Located on the Giza plateau near modern-day Cairo, the pyramid now serves as a major tourist attraction and site of archaeological study.
A wheel is the greatest human inventionDiscoverivan
The document lists different types of wheels including stone wheels, wooden wheels, steering wheels, and bicycle wheels. It also mentions mills powered by water wheels such as water mills. Finally, it includes the London Eye ferris wheel as an example.
This activity involves a whole class reviewing together. Students are directed to spin something three times as part of the review activity. The document provides directions for the class to participate in a review activity but does not give any other context about the topic being reviewed or how spinning relates to the review.
Walmart and Nutech are partnering to create an automated "Perfume Center" to address theft issues in Walmart's perfume department. Nutech will provide customized automated retail centers that allow employees and customers to purchase perfume without direct interaction. The centers will use technology like touchscreens, cashless payment, and inventory management to provide an improved shopping experience.
Class 8 english lesson 2 the history of the wheelAbdulláh Mámun
The document discusses the history of the wheel. It states that the wheel was first seen in Ancient Mesopotamia around 3500 BC being used on potter's wheels. Around 3200 BC, the wheel was first used for transportation in Mesopotamian chariots. The Egyptians are credited with inventing the first wheel with spokes around 2000 BC by carving wheels into the right shape. Around 1000 BC, the Celts invented iron rims for wheels. The wheel has been one of mankind's most important inventions, though its original inventor is unknown.
Brief presentation on the manufacture of Aluminium alloy wheels by various methods and the innovations of the present. Made with the help of Siddharth Rawat and Yash Choudhary PS: Download and view in powerpoint for effects.. some text are hidden by pictures.
The wheel and axle is a simple machine consisting of a wheel locked to a central axle, such that applying a force to either one causes both to rotate. It provides mechanical advantage by increasing either the resistance force that can be overcome or the distance an object can be moved using a given effort. Common examples of wheel and axle systems include door knobs, wheelbarrows, and wagons.
Wheel bearings and hubs are important components that connect a vehicle's wheels to its suspension and braking systems. Wheel bearings can fail due to normal wear, dirt contamination, or improper installation torque. When wheel bearings fail, they make a whirring noise and excess play develops. Over time, this damages the bearing and leads to failure. Replacing wheel bearings before failure is ideal. Hubs connect wheels to vehicles and often come assembled with bearings for easier replacement. ABS sensors may be mounted on hubs or axles to monitor wheel speed. The document provides guidance on wheel bearing and hub replacement.
This document is a design project report for an unsprung mass assembly for a Formula SAE racecar. It includes sections on literature review of relevant suspension geometry concepts, a design summary of the brake disc, hub, and upright, design calculations for braking forces and bearing selection, a design analysis, and a discussion of sustainability considerations for different material choices. The goal is to design a competitive suspension system that meets Formula SAE rules and provides optimal handling and cornering performance.
How to determine if a content marketing idea makes sense?
The Content Wheel is an offline interactive tool
to determine if a content idea makes strategic sense,
i.e. to separate the content wheat from the content chaff.
This document discusses different types of simple machines and mechanisms that make life easier for humans. It describes how wheels were developed over time from log rollers to solid wheels to spoked wheels. It also mentions the use of animal power and levers as simple machines that increase mechanical advantage. Finally, it briefly outlines different types of gears and motions like linear and rotational.
Khushin Lakshkar completed a summer internship at Khandelwal Motor Agencies in Mathura, where he studied wheels and tyres. His report discusses the differences and functions of wheels and tyres, describing tyre construction methods like tube and tubeless tyres. It also covers tyre properties, classifications including radial and bias ply construction, and maintenance like rotation and inspection. Wheel requirements and types including pressed steel, spoked, and light alloy wheels are also summarized.
An insight into why Ghari Detergent is a successful product, especially in the rural market of the country, its SWOT analysis, marketing mix, and Michael Porter;s Five Forces Model. Also, a suggestion on a variety of strategies which could be implemented to increase the reach and market share of the product, in reference with the Ansoff Matrix.
Tyres have several key functions: providing contact with the road surface, acting as the primary suspension, and allowing vehicles to brake, accelerate and steer. They are made up of plies, beads, treads and sidewalls. Radial tyres have plies that run straight across from bead to bead, providing a stable footprint. Proper tyre pressure and tread depth are important to prevent aquaplaning, where a layer of water builds up between the tyre and road surface causing loss of traction.
Our company was founded in 1969 by Dr. Karsanbhai Patel. He started making detergent powder by hand in the backyard of his home. Today, Nirma has over 15,000 employees and annual turnover of over Rs. 3550 crores. It is one of the largest detergent brands in the world. Nirma provides quality products at affordable prices and has captured a large market share in India through innovative products and effective marketing strategies such as radio advertisements. Going forward, the company aims to expand its brands globally through joint ventures and launch new products.
Hominids first appeared around 3 million years ago in Africa. Early humans like Lucy were small hominids that walked upright unlike apes. Later groups like Homo habilis could make stone tools. Homo erectus controlled fire which allowed them to cook food and expand their range out of Africa. Neanderthals and Cro-Magnon man were skilled hunters and tool makers that populated Europe and beyond. Cro-Magnon man are notable for their cave paintings found in places like Lascaux, France, though the purpose of these paintings remains a mystery.
An axle is a central shaft that supports rotating wheels. On vehicles, the axle can be fixed to the wheels and rotate with them, or fixed to the vehicle with the wheels rotating around it. Bearings are provided where the axle is mounted. The document discusses different types of rear axles like full floating, semi floating, and three quarter floating axles. It also discusses front axles, describing them as either dead or live axles. Finally, it lists four types of stub axles used to connect front wheels to front axles: Elliot, reversed Elliot, Lamoine, and reversed Lamoine.
Manufacturing process & assembly of automobileYashraj Patil
The document summarizes the key processes involved in automobile manufacturing, including chassis production, e-coating, surface finishing, pre-assembly, and final assembly. It describes how the chassis is constructed through welding and how the body is coated to prevent corrosion before major components like doors and instrument panels are added. Quality inspection occurs at various stages before cars move to the final assembly line where numerous units further prepare the vehicle for production.
The wheel is one of the most important inventions in human history. It allows for the easy movement of heavy objects using axles and rolling motion. Wheels were likely invented separately in many ancient cultures during the late Neolithic/early Bronze Age period between 3500-3000 BCE. Evidence from sites in Mesopotamia, the Indus Valley, and Europe from this time period suggest wheels were used for pottery, wagons, and other applications to facilitate transportation and labor. The wheel spread rapidly after its invention and transformed how people and societies functioned.
IRJET- Design and Fabrication of Loop Wheel Suspension SystemIRJET Journal
The document discusses the design and fabrication of a loop wheel suspension system. It aims to improve upon conventional bicycle wheels by incorporating a suspension system using leaf or loop springs. This is intended to provide a smoother ride with better shock absorption and load bearing capacity. The system would include axle, hub, rim, tires, and springs connected in a way that maintains the wheel's center of gravity. Literature on composite leaf spring designs for vehicles is reviewed, finding that composites can meet requirements with substantial weight savings compared to steel springs. The new loop wheel suspension system seeks to apply this concept to bicycles.
Simple machines include levers, pulleys, wheels and axles, wedges, inclined planes and gears. They were invented by early civilizations and help people do work with less effort. The lever was first described by Archimedes and the wheel and axle was used in early two-wheeled carts. Simple machines have various classes and types that change the direction or amount of effort needed to move loads.
The wheel was one of the most important inventions in human history. Evidence suggests wheels were independently invented around 3500-3350 BC in parts of Europe and Asia, with the earliest depictions showing up in ancient Mesopotamia and the Indus Valley. Over thousands of years, the wheel evolved from being used only on pottery to being applied to transportation with carts and chariots. Major innovations like spoked wheels in 2000 BC and iron rims in 1000 BC improved the wheel's design and function. Today the wheel remains a ubiquitous mechanical component found in vehicles, machines, and other applications.
This document discusses the history and evolution of ships and transportation methods over time. It describes different types of sailing vessels from the 15th-16th centuries like the caravel, galleon, bark and schooner. It also mentions the development of the wheel and how it facilitated the invention of vehicles. Early steam vehicles in the 18th century paved the way for motor vehicles in the late 19th century powered by internal combustion engines. The steam locomotive also dominated rail transport until being replaced by diesel and electric locomotives in the mid-20th century. Aviation developments included hot air balloons in the 18th century through to supersonic jet planes in the late 20th century. The document concludes with noting Neta S
An automobile differential couples the drive shaft to the rear driving wheels. It allows the outer wheel to rotate faster than the inner wheel during a turn by splitting torque equally between the wheels. A differential consists of one input and two outputs for the two driving wheels. It allows the wheels to rotate at different speeds to accommodate turns while keeping the average rotational input equal to the drive shaft. Differentials are commonly used in automobiles but also have non-automotive applications like performing analog arithmetic or controlling gun aim. There are different types of differentials like epicyclic, spur gear, and bevel gear differentials.
Inventión that changed the history of the worldximena28091990
The wheel is one of the most important inventions in human history that changed the world. It is believed the wheel was invented around 3500 BC. Over time, the wheel improved and became vital to transportation and machinery. Common wheels include sprockets, which are used to transmit rotational motion between axes and have teeth around their perimeter. Transport wheels are used to reduce friction with the ground and usually include bearings and suspension systems. Pulleys have a body, bucket, and throat and are used to transmit motion or reduce effort by raising weights.
The document summarizes the invention of the wheel, believed to be one of the most important inventions in human history. It was likely invented around 8,000 BC in Asia and later appeared in locations in Northern Caucasus, Central Europe and Mesopotamia around 4,000 BC. While the earliest definitive evidence of wheels comes from Mesopotamia in 3500 BC, the wheel revolutionized transportation and helped carry heavy loads, making it difficult to imagine modern mechanized systems without it.
The document summarizes the invention of the wheel, believed to be one of the most important inventions in human history. It was likely invented around 8,000 BC in Asia and later appeared in locations in Northern Caucasus, Central Europe and Mesopotamia around 4,000 BC. While the earliest definitive evidence of wheels comes from Mesopotamia in 3500 BC, the wheel revolutionized transportation and helped carry heavy loads, making it difficult to imagine modern mechanized systems without it.
HISTORY OF TRANSPORTATION PLANNING .pptxAlgeanAlo1
Transportation has evolved greatly over thousands of years. Early humans used walking and rafts as primary means of travel. Around 3500 BC, the wheel was invented in Mesopotamia for use in pottery, and was later adapted for carts and chariots. Throughout history, wheels were applied to new vehicles like wheelbarrows, carriages, trains, bicycles, automobiles, and aircraft to revolutionize transportation. Modern innovations now include magnetic levitation trains, personal electric vehicles, reusable spacecraft, and proposals for hyperloop systems that could transport people at unprecedented speeds. Government agencies worldwide aim to develop coordinated transportation networks to connect populations.
The history of rail transport began in Ancient Greece in the 6th century BC. Over time, various systems using wooden rails, horse-drawn carts, and iron rails developed. In the early 19th century, the development of steam power and new rail technologies accelerated. Key events included Trevithick's steam locomotive in 1804, the Stockton and Darlington Railway opening in 1825 using steam locomotives, and the Liverpool and Manchester Railway opening in 1830 as the first intercity passenger railway. The development of rail transport was an important part of the Industrial Revolution. Pioneers like George Stephenson and his son Robert advanced steam locomotive and railway technologies.
This document defines and provides examples of six simple machines: the lever, pulley, wheel and axle, inclined plane, wedge, and screw. It explains what each machine is made up of and gives common examples of uses for each, such as using a lever to move heavy objects, using pulleys to lift loads, and using an inclined plane like a ramp to move heavy objects more easily. It also notes that the human elbow acts as a lever and that people have used levers throughout history to move heavy objects.
Rail transport involves trains running along parallel steel rails called a railway or railroad. The rails are placed on a foundation of concrete or other materials and are held in place by perpendicular sleepers made of timber, concrete, or steel. Indian railways began construction in the 1850s and now consists of multiple zones with different rail gauges. Rail alignment is influenced by terrain and other factors. Rails come in different types but flat footed rails are now most common. Rail joints connect adjacent rails while sleepers support the rails and distribute weight.
Transportation has evolved significantly over time due to technological advances. Early humans developed basic tools like footwear and sleds to travel farther on land. The development of animal-drawn wheeled vehicles and pack animals further expanded land transport capabilities. Major improvements like Roman roads and modern rail systems increased land transport efficiency. Water transport also evolved from primitive boats to advanced sailing vessels and steamships. Aviation progress includes experimentation with kites and gliders as well as breakthroughs like powered aircraft. Continued innovation aims to reduce costs and improve transport.
1. The document discusses different types of motion including rectilinear, circular, periodic, and rotational motion.
2. It provides examples of objects that demonstrate more than one type of motion at a time, such as the Earth which shows circular, periodic, and rotational motion in its orbit around the sun.
3. The document also summarizes the history of transport, from moving on foot or animals, to the development of boats, wheeled vehicles, trains, planes and modern forms of transport enabled by innovations like the steam engine.
1. The document discusses the history of wheelchairs from ancient drawings and depictions in China and Greece to modern developments. It notes key inventions like the first collapsible wheelchair in 1933 and the introduction of electric wheelchairs.
2. It then describes different types of wheelchairs including manual, powered, and electric varieties. It also discusses recent innovations like hand cycles and stationary platforms for exercise.
3. The document concludes by discussing modern mobility scooters and wheelchairs, noting technological advances that have improved battery life and independence for disabled individuals while also acknowledging limitations like recharging that solar powered designs now address.
1. The document discusses the history of wheelchairs from ancient drawings and depictions in China and Greece to modern developments. It notes key inventions like the first collapsible wheelchair in 1933 and the introduction of electric wheelchairs in the 1950s.
2. It then describes different types of wheelchairs including manual, powered, and electric wheelchairs. It also discusses recent developments like hand cycles and stationary platforms for exercise.
3. The document concludes by discussing a project focused on improving mobility scooters and wheelchairs through additional features and technological advances like solar panels to charge batteries without wall outlets.
This document is a self-study guide about bearings that provides information over 12 chapters. It discusses the history of bearings, the basic parts of a bearing including the outer race, inner race, rolling elements, and separator. It explains the main types of bearings are ball bearings and roller bearings, with a focus on tapered roller bearings which are commonly used in vehicles. The guide covers topics like bearing types, installation, operation, maintenance, troubleshooting, and provides quizzes at the end of each chapter to reinforce the material.
The document proposes a model for a solar train hybrid car. It first provides background on the history of transportation and rail transport. It then describes how a solar train works, using solar panels to power electric propulsion and reducing pollution. Next, it discusses electric cars, how they are powered by electric motors and batteries, and the benefits they have over gas-powered cars like reduced emissions. It concludes that solar trains can significantly reduce electricity use and greenhouse gas emissions.
1. Wheel
From Wikipedia, the free encyclopedia
For other uses of the term, see Wheel (disambiguation) and Wheels (disambiguation).
Look up wheel in
Wiktionary, thefree
dictionary.
This article contains special characters.Without
proper rendering support, you may seequestion marks, boxes, or
other symbols.
Three wheels on an antique tricycle
The earliestwheels were made ofa solid piece ofwood.
A wheel is a circular component that is intended to rotate on an axial bearing. The wheel is one of
the main components of the wheel and axle which is one of the six simple machines. Wheels, in
conjunction with axles, allow heavy objects to be moved easily facilitating movement or
transportation while supporting a load, or performing labor in machines. Wheels are also used for
other purposes, such as a ship's wheel, steering wheel, potter's wheel and flywheel.
Common examples are found in transport applications. A wheel greatly reduces friction by facilitating
motion by rolling together with the use of axles. In order for wheels to rotate, a moment needs to be
2. applied to the wheel about its axis, either by way of gravity, or by the application of another external
force ortorque.
9 External links
Etymology[edit]
The English word wheel comes from the Old English word hweol, hweogol, fromProto-
Germanic *hwehwlan, *hwegwlan, from Proto-Indo-European *kw
ekw
lo-,[1]
an extended form of the
root *kw
el- "to revolve, move around". Cognates within Indo-European include Icelandic hjól "wheel,
tyre", Greek κύκλος kúklos, andSanskrit chakra, the latter both meaning "circle" or "wheel".[2]
History[edit]
heels are not only found attached to the frame of machines, they
can be used in a variety of different ways. Wheels are useful for moving things, changing direction and
slowing things down.
See image 5
A steering wheel is another example of a wheel. A steering wheel allows people to direct and control
various machines, such as boats, trucks and cars.
Wheels can also be used to shape clay, metal and wood. A potter's wheel is an example of such a wheel.
A potter's wheel was invented thousands of years ago by the ancient Sumerians.
A depiction of an onager-drawn carton the Sumerian "battle standard of Ur" (c. 2500 BC)
A figurine featuring the New World's independentlyinvented wheel
Evidence of wheeled vehicles appears from the second half of the 4th millennium BC, near-
simultaneously in Mesopotamia (Sumerian civilization), the NorthernCaucasus (Maykop culture)
3. and Central Europe, so that the question of which culture originally invented the wheeled vehicle is
still unsolved.
The earliest well-dated depiction of a wheeled vehicle (here a wagon—four wheels, two axles) is on
the Bronocice pot, a c. 3500 – 3350 BC clay pot excavated in aFunnelbeaker culture settlement in
southern Poland.[3]
The oldest securely dated real wheel-axle combination, that from Stare Gmajne near Ljubljana in
Slovenia (Ljubljana Marshes Wooden Wheel) is now dated in 2σ-limits to 3340-3030 cal BC, the axle
to 3360-3045 cal BC [4]
In China, the wheel was certainly present with the adoption of the chariot in c. 1200 BC,[5]
although
Barbieri-Low[6]
argues for earlier Chinese wheeled vehicles, c. 2000 BC.
Although they did not develop the wheel proper, the Olmec and certain other western
hemisphere cultures seem to have approached it, as wheel-like worked stones have been found on
objects identified as children's toys dating to about 1500 BC.[7]
It is thought that the primary obstacle
to large-scale development of the wheel in the Western hemisphere was the absence of
domesticated large animals which could be used to pull wheeled carriages. The closest relative
of cattle present in Americas in pre-Columbian times, the American Bison, is difficult to domesticate
and was never domesticated by Native Americans; several horse species existed until about 12,000
years ago, but ultimately went extinct.[8]
The only large animal that was domesticated in the Western
hemisphere, the llama, did not spread far beyond the Andes by the time of the arrival of Columbus.
Nubians from after about 400 BC used wheels for spinning pottery and as water wheels.[9]
It is
thought that Nubian waterwheels may have been ox-driven[10]
It is also known that Nubians used
horse-drawn chariots imported from Egypt.[11]
The wheel was barely used, with the exception of Ethiopia and Somalia, in Sub-Saharan Africa well
into the 19th century but this changed with the arrival of the Europeans.[12][13]
The invention of the wheel thus falls in the late Neolithic, and may be seen in conjunction with other
technological advances that gave rise to the early Bronze Age. Note that this implies the passage of
several wheel-less millennia even after theinvention of agriculture and of pottery:
9500–6500 BC: Aceramic Neolithic
6500–4500 BC: Ceramic Neolithic (Halafian), earliest wooden wheels (disks with a hole for the
axle)
c. 4500 BC: invention of the potter's wheel, beginning of the Chalcolithic (Ubaid period)
4500–3300 BC: Chalcolithic, earliest wheeled vehicles, domestication of the horse
3300–2200 BC: Early Bronze Age
2200–1550 BC: Middle Bronze Age, invention of the spoked wheel and the chariot
Early wheels were simple wooden disks with a hole for the axle. Because of the structure of wood, a
horizontal slice of a tree trunk is not suitable, as it does not have the structural strength to support
relevant stresses without failing; rounded pieces of longitudinal boards are required.
The spoked wheel was invented more recently, and allowed the construction of lighter and swifter
vehicles. In the Harappancivilization of the Indus Valley and Northwestern India, we find toy-cart
wheels made of clay with lines which have been interpreted as spokes painted or in relief,[14]
and a
symbol interpreted as a spoked wheel in the script of the seals,[15]
already in the second half of the
3rd millennium BC. The earliest known examples of wooden spoked wheels are in the context of
the Andronovo culture, dating to c. 2000 BC. Soon after this, horse cultures of the Caucasus region
used horse-drawn spoked-wheel war chariots for the greater part of three centuries. They moved
deep into the Greek peninsula where they joined with the existing Mediterranean peoples to give
rise, eventually, to classical Greece after the breaking of Minoandominance and consolidations led
by pre-classical Sparta and Athens. Celtic chariots introduced an iron rim around the wheel in the 1st
4. millennium BC. The spoked wheel was in continued use without major modification until the 1870s,
when wire wheels and pneumatic tires were invented.[16]
The invention of the wheel has also been important for technology in general, important applications
including the water wheel, the cogwheel (see also antikythera mechanism), the spinning wheel, and
the astrolabe or torquetum. More modern descendants of the wheel include the propeller, the jet
engine, the flywheel (gyroscope) and the turbine.
Mechanics and function[edit]
Main article: wheel and axle
The wheel is a device that enables efficient movement of an object across a surface where there is a
force pressing the object to the surface. Common examples are a cart pulled by a horse, and the
rollers on an aircraft flap mechanism.
Wheels are used in conjunction with axles; either the wheel turns on the axle, or the axle turns in the
object body. The mechanics are the same in either case.
The low resistance to motion (compared to dragging) is explained as follows (refer to friction):
the normal force at the sliding interface is the same.
the sliding distance is reduced for a given distance of travel.
the coefficient of friction at the interface is usually lower.
Bearings are used to help reduce friction at the interface. In the simplest and oldest case the bearing
is just a round hole through which the axle passes (a "plain bearing").
Example:
If a 100 kg object is dragged for 10 m along a surface with the coefficient of friction μ = 0.5,
the normal force is 981 Nand the work done (required energy) is (work=force x distance) 981 ×
0.5 × 10 = 4905 joules.
Now give the object 4 wheels. The normal force between the 4 wheels and axles is the same (in
total) 981 N. Assume, for wood, μ = 0.25, and say the wheel diameter is 1000 mm and axle
diameter is 50 mm. So while the object still moves 10 m the sliding frictional surfaces only slide
over each other a distance of 0.5 m. The work done is 981 × 0.25 × 0.5 = 123 joules; the work
done has reduced to 1/40 of that of dragging.
Additional energy is lost from the wheel-to-road interface. This is termed rolling resistance which is
predominantly a deformation loss. This energy is also lowered by the use of a wheel (in comparison
to dragging) because the net force on the contact point between the road and the wheel is almost
perpendicular to the ground, and hence, generates an almost zero net work. This depends on the
nature of the ground, of the material of the wheel, its inflation in the case of a tire, the net torque
exerted by the eventual engine, and many other factors.
A wheel can also offer advantages in traversing irregular surfaces if the wheel radius is sufficiently
large compared to the irregularities.
The wheel alone is not a machine, but when attached to an axle in conjunction with bearing, it forms
the wheel and axle, one of the simple machines. A driven wheel is an example of a wheel and axle.
Note that wheels pre-date driven wheels by about 6000 years, themselves an evolution of using
round logs as rollers to move a heavy load -- a practice going back in pre-history so far, it has not
been dated.
Construction[edit]
5. Rim[edit]
Main article: Rim (wheel)
An aluminium alloywheel
The rim is the "outer edge of a wheel, holding the tire."[17]
It makes up the outer circular design of the
wheel on which the inside edge of the tire is mounted on vehicles such as automobiles. For
example, on a bicycle wheel the rim is a large hoop attached to the outer ends of the spokes of the
wheel that holds the tire and tube.
In the 1st millennium BC an iron rim was introduced around the wooden wheels ofchariots.
Hub[edit]
The hub is the center of the wheel, and typically houses a bearing, and is where the spokes meet.
A hubless wheel (also known as a rim-rider or centerless wheel) is a type of wheel with no
center hub. More specifically, the hub is actually almost as big as the wheel itself. The axle is hollow,
following the wheel at very close tolerances.
Spokes[edit]
Main article: spoke
A spoked wheel on displayat The National Museum ofIran, in Tehran. The wheel is dated to the late 2nd millennium
BC and was excavated atChoqa Zanbil.
A spoke is one of some number of rods radiating from the center of a wheel (the hub where
the axle connects), connecting the hub with the round traction surface. The term originally referred to
portions of a log which had been split lengthwise into four or six sections. The radial members of a
wagon wheel were made by carving a spoke (from a log) into their finished shape. A spokeshave is
a tool originally developed for this purpose. Eventually, the term spoke was more commonly applied
to the finished product of the wheelwright's work, than to the materials he used.
6. Wire[edit]
Main article: wire wheel
The rims of wire wheels (or "wire spoked wheels") are connected to their hubs by wire spokes.
Although these wires are generally stiffer than a typical wire rope, they function mechanically the
same as tensioned flexible wires, keeping the rim true while supporting applied loads.
Wire wheels are used on most bicycles and still used on many motorcycles. They were invented by
aeronautical engineer George Cayley and first used in bicycles by James Starley. A process of
assembling wire wheels is described as wheelbuilding.
A 1957 MGA Automobile with wire wheels
Tire[edit]
Main article: tire
Stacked and standing car tires
A tire (in American English and Canadian English) or tyre (in some Commonwealth Nations such as
UK, India, South Africa and Australia) is a ring-shaped covering that fits around a wheel rim to
protect it and enable better vehicle performance by providing a flexible cushion that absorbs shock
while keeping the wheel in close contact with the ground. The word itself may be derived from the
word "tie," which refers to the outer steel ring part of a wooden cart wheel that ties the wood
segments together (see Etymology below).
The fundamental materials of modern tires are synthetic rubber, natural rubber, fabric and wire,
along with other compound chemicals. They consist of a tread and a body. The tread
provides traction while the body ensures support. Before rubber was invented, the first versions of
tires were simply bands of metal that fitted around wooden wheels to prevent wear and tear. Today,
the vast majority of tires arepneumatic inflatable structures, comprising a doughnut-shaped body of
cords and wires encased in rubber and generally filled with compressed air to form an inflatable
7. cushion. Pneumatic tires are used on many types of vehicles, such
ascars, bicycles, motorcycles, trucks, earthmovers, and aircraft.
Trywheel[edit]
A trywheel is an arrangement of three wheels mounted on a y-shaped frame for the purpose of
passing over stairs or rough ground. these may be driven by external force or integral motors
Alternatives[edit]
While wheels are very widely used for ground transport, there are alternatives, some of which are
suitable for terrain where wheels are ineffective. Alternative methods for ground transport without
wheels include:
Electromagnetic maglev trains
Sled or travois
Hovercraft
A walking machine
Caterpillar tracks (although it is still operated by wheels)
Pedrail wheels, using aspects of both wheel and caterpillar track
Spheres, as used by Dyson vacuum cleaners and hamster balls
Screw-propelled vehicle
Symbolism[edit]
The wheel has also become a strong cultural and spiritual metaphor for a cycle or regular repetition
(see chakra,reincarnation, Yin and Yang among others). As such and because of the difficult terrain,
wheeled vehicles were forbidden inold Tibet. The wheel in ancient China is seen as a symbol of
health and strength and utilized by some villages as a tool to predict future health and success.
The diameter of the wheel is indicator of one's future health.
The winged wheel is a symbol of progress, seen in many contexts including the coat of arms of
Panama and the logo of theOhio State Highway Patrol.
The introduction of spoked (chariot) wheels in the Middle Bronze Age appears to have carried
somewhat of a prestige. Thesun cross appears to have a significance in Bronze Age religion,
replacing the earlier concept of a Solar barge with the more "modern" and technologically
advanced solar chariot.
The wheel was also a solar symbol for the Ancient Egyptians.[18]
The wheel is also the prominent figure on the flag of India. The wheel in this case represents law
(dharma). It also appears in the flag of the Romani people, hinting to their nomadic history and their
Indian origins.