The mystery of gravity
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Gravity remains a scientific mystery. Gravity is a force that attracts objects with mass towards each other. Newton discovered that gravity is directly proportional to mass and inversely proportional to the distance between objects. Gravity formed planets and keeps atmospheres intact. While some theorize that Earth's magnetism causes gravity, there is no evidence of this - gravity and magnetism are separate forces, with gravity acting on all masses and magnetism dependent on specific material properties.
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Gravity is a force of attraction that acts between all objects with mass. Gravity causes all objects to accelerate towards each other at the same rate, so heavier and lighter objects fall at the same speed. The strength of gravity depends on the mass of the object, so gravity is stronger on large planets like Jupiter than on smaller bodies like the moon. Mass is a measure of the amount of matter in an object and does not change in different locations, while weight is the measure of the gravitational force acting on an object, so weight varies depending on the gravitational pull of different planets. Newton's three laws of motion describe how forces cause motion and changes in motion.
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Gravity is the force that attracts objects to each other. Galileo proved that all objects fall at the same rate regardless of mass. Isaac Newton furthered understanding by describing gravity mathematically as a force dependent on the masses of objects and the distance between them. Newton's law of universal gravitation explained phenomena like planetary orbits and the moon's effect in causing ocean tides through its gravitational pull on Earth.
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Gravity is a force of attraction that acts between all objects with mass. Gravity causes all objects to accelerate towards each other at the same rate, so heavier and lighter objects fall at the same speed. The strength of gravity depends on the mass of the object, so gravity is stronger on large planets like Jupiter than on smaller bodies like the moon. Mass is a measure of the amount of matter in an object and does not change in different locations, while weight is the measure of the gravitational force acting on an object, so weight varies depending on the gravitational pull of different planets. Newton's three laws of motion describe how forces cause motion and changes in motion.
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- The solar planets move together in one unified motion as a train moves with all its carriages (a planet = a carriage) (The Train Motion Concept)
- The matter creation depends on relativistic effects found in the solar system
- Earth moon moves daily a distance = 2.58 mkm= Earth Motion Distance Daily (otherwise they will be separated from each other)
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The document discusses different forces including magnetism. It describes four fundamental forces: gravity, electromagnetic, strong force, and weak force. It then focuses on magnetism, explaining that it is a physical phenomenon produced by the motion of electric charge that results in attractive and repulsive forces. The document discusses magnetic field lines, electromagnets, naturally magnetic materials like iron and magnetite, and magnetic motors. It hypothesizes that magnetism may have an infinite range like gravity and that gravity may be a form of magnetism. Finally, it suggests that controlling forces could allow controlling the universe.
Magnetism by wasay zia
Oersted showed that magnetic effects can be produced by moving electrical charges; Faraday and Henry showed that electric currents can be produced by moving magnets. The document discusses the history and science of magnetism, including how magnets have north and south poles, magnetic fields, and how different materials interact with magnetic fields through mechanisms like ferromagnetism, diamagnetism, and paramagnetism.
Magnet and magnetism
Magnetism is considered as one component of electromagnetic forces which refers to physical phenomena arising from the force caused by magnets, objects that create fields that attract or repel other objects.
Project Moon-Tide
The document discusses theories of gravity and gravitational waves. It summarizes Albert Einstein's general theory of relativity, which proposes that gravity is caused by massive objects distorting spacetime. LIGO's detection of gravitational waves in 2015 provided direct evidence of this theory. The document also discusses the moon being tidally locked to Earth and how this relates to tidal forces and moon tides on Earth.
To The Edge of Infinity
This is a very broad overview of cosmology. It includes an introduction to galaxies, the large scale structure of the universe, black holes, and the fate of the universe. It is intended for teenagers and up.
Magnetism
This document provides an overview of magnetism and magnetic fields. It discusses how magnets have been known for centuries and were used for navigation. It explains that all magnetic phenomena result from forces between electric charges in motion. It describes the properties of magnets including poles, magnetic fields, and how cutting a magnet produces two magnets. The document also discusses how the Earth itself acts as a magnet and how compasses use the Earth's magnetic field.
ENERGY AND CHANGE GRADE 9.pptx
This document discusses different types of forces. It defines a force as a push or pull exerted on an object. There are two main types of forces: contact forces which require touching, like friction and tension, and non-contact or field forces like gravity and magnetism which act over a distance. Gravitational force is exerted by all masses and depends on their masses and the distance between them. Magnetic force occurs between magnetic poles, with opposite poles attracting and like poles repelling. Electrostatic force is exhibited by charged objects, with opposite charges attracting and like charges repelling.
Gravitation theory
1) Gravity is a natural phenomenon that causes all objects with mass to attract each other. Modern physics describes gravitation through Einstein's general theory of relativity, which views gravity as a distortion of spacetime by massive objects.
2) Isaac Newton formulated the law of universal gravitation, which states that the gravitational force between two objects is directly proportional to their masses and inversely proportional to the square of the distance between them.
3) Newton's theory accounted for the motions of celestial bodies and dominated scientists' views of the physical universe for three centuries, until Einstein's general relativity resolved some discrepancies like Mercury's orbit.
Magnetism
Magnets have been known and used for navigation for centuries, with the ancient Greeks using a magnetic stone called magnetite. Magnetism is the force of attraction or repulsion between magnetic materials due to the arrangement of electrons in their atoms. The Earth itself acts as a large magnet, with a magnetic field strongest at its north and south magnetic poles. Other planets and the Sun also have magnetic fields extending into space.
Magnatism final paper
This document discusses the history and principles of magnetism. It begins with a brief history of magnetism starting in 600 BC with the discovery of lodestone in Greece. Key developments include the first compass in 121 AD in China and William Gilbert's work "De Magnete" in 1600 which provided the first rational explanation that the Earth itself was magnetic. The document then discusses the principles behind magnets including types (permanent, temporary, electromagnets), magnetic properties (poles, fields, domains), and the relationship between electricity and magnetism including how electromagnets work. It concludes by noting how understanding of magnetism has led to many modern applications and future possibilities.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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The mystery of gravity
- 2. WHAT’S THE ATTRACTION? Gravity remains one of the greatest scientific mysteries of all times
- 3. GRAVITY’S IDENTITY grav·i·ty (grv-t) n. 1. Physics a. The natural force of attraction exerted by a celestial body, such as Earth, upon objects at or near its surface, tending to draw them toward the center of the body. b. The natural force of attraction between any two massive bodies, which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
- 4. GRAVITY’S BIRTH ON EARTH In the beginning of the universe, after the Big Bang, gravity pulled atoms together to make planets and stars. Gravity kept these planets in an orbit around the stars, and their moons orbiting around the planets. Gravity also keeps an atmosphere around the planet.
- 5. MAN’S DISCOVERY OF GRAVITY Physicist/Mathematician Sir Issac Newton discovered there existed a force required to change the speed or direction of a moving object. Newton defined this force stating: “Every particle of matter in the universe attracts every other particle with a force that is directly proportional to the product of the masses of the particles and inversely proportional to the square of the distance between them.”
- 6. GRAVITY’S RELATIONSHIPS Gravity is affected by mass, distance, and placement. The more massive an object, the more gravity The closer objects are, the more gravity Gravity varies at different planetary locations
- 7. SCIENCE POPS THE QUESTION… Does the Earth’s magnetism cause gravity?
- 8. THE ANSWER… There is no evidence that gravity is caused by Earth’s magnetic field. Gravity and the Earth’s magnetic field are two separate and distinct forces. Gravity is a force that acts between two objects with mass. No matter what the masses are made of….gravity acts on them. Magnetism depends on specific properties of the mass. A magnet is an object that produces a magnetic field around itself. This field enables the objects to attract or repel other types of metals made of ferromagnetic materials like iron and things that contain iron, such as steel. This photo shows iron filings oriented around a bar magnet creating its electromagnetic field.
- 9. EARTH’S MAGNETISM REVEALED ? Theory of Earth’s magnetism: Some metals on Earth are magnetic and can only attract or repel certain objects. The Earth’s inner core is made of molten iron. This metallic fluid has a charge. As the Earth rotates, the charged fluid rotates which creates an electric current responsible for the magnetic field surrounding Earth.
- 10. GRAVITY’S INTENSITY Gravity’s got a hold on me. Newton discovered while under a tree; When apples fall to the ground; A certain force brings them down. Magnets attract and repel. Could Earth’s magnet cause gravity as well? Theories proven don’t show this to be. All I know is, we can’t live without gravity!
- 11. CREDITS: Physics 142 Fall 2011 Extra Credit