Distance is a scalar quantity that refers to how far an object has traveled, while displacement is a vector quantity referring to the shortest distance between initial and final positions. Speed is the distance traveled per unit time, while velocity is a vector quantity referring to the rate of change of an object's position and includes direction. Acceleration refers to the rate of change of an object's velocity. It can be calculated using the change in velocity over the change in time.
Physical Quantities--Units and Measurement--Conversion of UnitsKhanSaif2
This presentation covers physical quantities and their types, units and their types, conversion of units and order of magnitude in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
Units and measurements chapter 1 convertedAbhirajAshokPV
Class 11 Physics chapter one notes. simplified and reduced for better understanding and quick revisions.
Notes on Units, physical Quantities, errors, calculation of errors, and dimension analysis.
Units , Measurement and Dimensional AnalysisOleepari
nits and Measurements
Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant figures. Dimensions of physical quantities, dimensional analysis and its applications.
This presentation covers measurement of physical quantities, system of units, dimensional analysis & error analysis. I hope this PPT will be helpful for instructors as well as students.
Dear Students of grade 8, this presentation has been made for you to revise, and to copy what would you miss out of your class work. I hope to be useful for all of you.
After going through this module, you are expected to:
describe the motion of an object in terms of distance or displacement, speed or velocity and acceleration (S7FE-IIIa-1);
perform activities on speed, velocity and acceleration; and
compute for the speed, velocity and acceleration.
Physical Quantities--Units and Measurement--Conversion of UnitsKhanSaif2
This presentation covers physical quantities and their types, units and their types, conversion of units and order of magnitude in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
Units and measurements chapter 1 convertedAbhirajAshokPV
Class 11 Physics chapter one notes. simplified and reduced for better understanding and quick revisions.
Notes on Units, physical Quantities, errors, calculation of errors, and dimension analysis.
Units , Measurement and Dimensional AnalysisOleepari
nits and Measurements
Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant figures. Dimensions of physical quantities, dimensional analysis and its applications.
This presentation covers measurement of physical quantities, system of units, dimensional analysis & error analysis. I hope this PPT will be helpful for instructors as well as students.
Dear Students of grade 8, this presentation has been made for you to revise, and to copy what would you miss out of your class work. I hope to be useful for all of you.
After going through this module, you are expected to:
describe the motion of an object in terms of distance or displacement, speed or velocity and acceleration (S7FE-IIIa-1);
perform activities on speed, velocity and acceleration; and
compute for the speed, velocity and acceleration.
Science!
Physics
Notes on the topic - 'MOTION'. For Class:- 9th
{with ncert examples}
Created By - 'Neha Rohtagi'.
I hope that you will found this presentation useful and it will help you out for your concept understanding.
Thank You!
Please give feedbacks and suggestions to get presentations on more interesting topics.
This ppt was created by Dr Beka a lecture from Ekwendeni College of Health Sciences (ECoHS) Ekwendeni Mzimba Malawi. It is understandable and easy to read for students who are studying clinical medicine
Lab 2/Lab 2- Kinematics.pdf
1/4/2017 Lab 2: Kinematics
https://moodle.straighterline.com/pluginfile.php/72219/mod_resource/content/17/CourseRoot/html/lab004s001.html 1/20
Learning Objec뙕ves
Disᣊ�nguish between scalar and vector quanᣊ�ᣊ�es
Apply kinemaᣊ�c equaᣊ�ons to 1‐D and projecᣊ�le moᣊ�on
Predict posiᣊ�on, velocity, and acceleraᣊ�on vs. ᣊ�me graphs
Calculate average and instantaneous velocity or acceleraᣊ�on
Determine that x and y components are independent of each other
Relate velocity, radius, and ᣊ�me period to uniform circular moᣊ�on.
Explain the direcᣊ�on of acceleraᣊ�on during uniform circular moᣊ�on
1‐D Kinema뙕cs
1‐D kinemaᣊ�cs occurs when an object travels in
one dimension and can be described using words,
equaᣊ�ons and graphs. Linear mo뙕on describes
how an object will move horizontally or verᣊ�cally
with constant acceleraᣊ�on, how an object will
1/4/2017 Lab 2: Kinematics
https://moodle.straighterline.com/pluginfile.php/72219/mod_resource/content/17/CourseRoot/html/lab004s001.html 2/20
Figure 1: Pool balls in moᾷon demonstrate
1‐D kinemaᾷcs.
Figure 2: Line secant to the path of the
object.
travel if dropped from the side of a cliff, and the
path it will follow if thrown straight up into the air.
Keep in mind the moᣊ�on of an object is relaᣊ�ve to
the viewer. Even though you do not feel like you
are in moᣊ�on right now, you are on planet earth
that has rotaᣊ�onal moᣊ�on in addiᣊ�on to orbital
moᣊ�on around the sun. In almost all cases here
moᣊ�on will be relaᣊ�ve to the Earth.
Scalar and Vector Quan뙕뙕es
In physics, quanᣊ�ᣊ�es can be scalar or vector. The
difference between the two lies in direcᣊ�on.
Scalar quanᣊ�ᣊ�es include magnitudes, which are numerical measurements. The distance an
object has traveled or the speed of an object is a scalar quanᣊ�ty. Scalars do not take direcᣊ�on
into consideraᣊ�on and can be described with only a number and a unit. For example,
somebody might say the temperature outside is 70°F. Seventy is the magnitude, and
Fahrenheit is the unit; there is no direcᣊ�on associated with the quanᣊ�ty. Vector quanᣊ�ᣊ�es, on
the other hand, include magnitude and direcᣊ�on. The displacement from an object's iniᣊ�al
posiᣊ�on, velocity, and acceleraᣊ�on are vector quanᣊ�ᣊ�es. The direcᣊ�on of vectors can be
described as being in the posiᣊ�ve direcᣊ�on, in the negaᣊ�ve direcᣊ�on, north, south, east, west,
leĀ, right, up, down, etc. One might describe an airplane's velocity as 450 miles per hour due
west where both magnitude and direcᣊ�on are given. It is important to disᣊ�nguish between
scalar and vector quanᣊ�ᣊ�es when trying to understand kinemaᣊ�cs.
Speed, Velocity, and Accelera뙕on
You may be familiar with speed outside of the physics classroom. When you drive in a car you
are traveling a distance over a certain amount of ᣊ�me: a speed. How then is velocity different
from speed? Velocity (v) is a vector quanᣊ�ty described as the rate at which an object's
posiᣊ�on changes divided by the ᣊ�me the ...
Motion - Distance time graphs and speed time graphs.pptxMehjabeenShaik1
Slideshow on distance time graphs and speed time graphs. It is very helpful for grades 7-9. It is very detailed. One stop for all graph types in science. Science graphs will become easy with this detailed ppt.
The PowerPoint presentation (ppt) under discussion proves to be an invaluable resource, offering a wealth of assistance and comprehensive details that cater to the needs of its audience. This presentation stands out as an exemplary tool, combining clarity, depth, and relevance to ensure a profound understanding of the subject matter.
One of the key strengths of this ppt lies in its helpful nature. Each slide is meticulously crafted to provide guidance and support, serving as a valuable companion for individuals seeking information on the topic at hand. The helpfulness of the presentation is evident in its ability to simplify complex concepts, breaking them down into digestible segments that promote a clear and accessible learning experience.
Moreover, the detailed nature of the presentation is a noteworthy aspect that sets it apart. The creators have invested time and effort into thorough research and exploration, resulting in a comprehensive compilation of information. The slides go beyond surface-level discussions, delving into nuanced aspects of the subject matter, thereby enriching the audience's knowledge and fostering a more profound comprehension of the material.
The attention to detail is evident not only in the content but also in the visual elements of the presentation. Graphics, charts, and illustrations complement the textual information, creating a multimedia experience that caters to diverse learning preferences. This meticulous detailing not only enhances the aesthetic appeal of the ppt but also reinforces key points, making the information more memorable and engaging.
Furthermore, the ppt's utility extends beyond a mere informational resource. Its detailed content serves as a valuable reference point for further exploration and study. The audience can delve into specific sections or revisit key concepts, reinforcing their understanding and facilitating a deeper grasp of the subject matter over time.
In conclusion, this PowerPoint presentation stands out as an invaluable educational tool, combining a helpful approach with meticulous detailing. Its clarity, depth, and relevance make it a go-to resource for individuals seeking a comprehensive understanding of the subject matter. Whether used for educational purposes, professional development, or personal enrichment, this ppt proves to be a reliable and effective guide, ensuring that its audience is not only informed but also empowered with knowledge. It is very catchy. The presentation's helpful and detailed nature is manifested in its strategic organization and seamless flow. The creators have thoughtfully structured the content, presenting information in a logical sequence that aids in the audience's comprehension. Each section builds upon the previous one.
Thank you lot
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
1. Distance and Displacement
Distance
Is a numerical description of how far apart objects are.
In physics or everyday usage, distance may refer to a
physical length, or estimation based on other criteria (e.g. "two
counties over").
Is a scalar quantity that refers to "how much ground an object
has covered" during its motion.
is the length of the path travelled.
is given the symbol Δd.
is often measured in metres, but can be measured in some
variant of metres; for example, millimetres (mm), centimetres
(cm), and kilometres (km).
Displacement
is a vector quantity (magnitude and direction) that describes
the difference between the final and initial positions of a
moving object. It is the shortest distance moved in a certain
direction. Both distance and displacement are measured in unit
of lengths. (centimeters, meters, kilometers,...)
Example:
An object moves from A to D along the red path as shown below.
a) Find the total distance covered by the object
b) Find the displacement of the object
2. Solution:
a) Using the given scale (1km per division); the total distance d is
given by
d = AB + BC + CD = 2 + 5 + 2 = 9 km
b) The final and initial and positions of the moving object are used to
find the displacement. The distance from A (initial position) to D
(final position) is equal to AD = 5 km.
The displacement is the vector AD whose magnitude if 5 km and its
direction is to the east.
Picture:
3. Average Speed
is related to the distance traveled by the object and is a scalar
quantity, which means, it is only represented by the magnitude
and direction of travel is not important. The formula for
average speed is calculated by finding the ratio of the total
distance covered by the object to the time taken to cover that
distance. It is not the average of the speed.
The equation for average speed is given by:
SAVG = Total Distance TraveledTotal Time taken .............(1)
SAVG = DtotalTtotal ................(2)
Example:
A runner runs at a track meet. He completes 800 meter lap in
80 seconds. After the finish he is at the starting point. Calculate
average speed of the runner during this lap?
Solution:
For finding the Average speed of the runner, we must find the
total distance covered by him and the total time taken to complete
that distance.
In this case the distance covered by him is equal to 800 meters and
he has completed it in 80 seconds.
So, applying formula for the average speed
we have
SAVG = 80080,
SAVG = 10 m/s,
So, the Average speed of the runner on the track is 10 m/s.
4. Picture:
Velocity
-is a vector quantity that refers to "the rate at which an object
changes its position." Imagine a person moving rapidly - one step
forward and one step back - always returning to the original starting
position. While this might result in a frenzy of activity, it would
result in a zero velocity. Because the person always returns to the
original position, the motion would never result in a change in
position. Since velocity is defined as the rate at which the position
changes, this motion results in zero velocity. If a person in motion
wishes to maximize their velocity, then that person must make
every effort to maximize the amount that they are displaced from
their original position. Every step must go into moving that person
further from where he or she started. For certain, the person should
never change directions and begin to return to the starting position.
Velocity is a vector quantity. As such, velocity is direction aware.
When evaluating the velocity of an object, one must keep track of
direction. It would not be enough to say that an object has a velocity
of 55 mi/hr. One must include direction information in order to fully
describe the velocity of the object. For instance, you must describe
an object's velocity as being 55 mi/hr, east. This is one of the
5. essential differences between speed and velocity. Speed is a scalar
quantity and does not keep track of direction; velocity is a vector
quantity and is direction aware.
Example:
A man walks 7 km in 2 hours and 2 km in 1 hour in the same
direction. What is the man's average velocity for the whole journey?
Solution:
average velocity = displacement = 7 km + 2 k = 9 km = 3
km/h
time 2 hours + 1 hour 3 hours
Picture:
6. Acceleration
-is a vector quantity that is defined as the rate at which an object
changes its velocity. An object is accelerating if it is changing its
velocity. Sports announcers will occasionally say that a person is
accelerating if he/she is moving fast. Yet acceleration has nothing to
do with going fast. A person can be moving very fast and still not be
accelerating. Acceleration has to do with changing how fast an
object is moving. If an object is not changing its velocity, then the
object is not accelerating. The data at the right are representative of
a northward-moving accelerating object. The velocity is changing
over the course of time. In fact, the velocity is changing by a constant
amount - 10 m/s - in each second of time. Anytime an object's
velocity is changing, the object is said to be accelerating; it has an
acceleration.
Average Acceleration
The average acceleration (a) of any object over a given interval of
time (t) can be calculated using the equation
This equation can be used to calculate the acceleration of the object
whose motion is depicted by the velocity-time data table above. The
velocity-time data in the table shows that the object has an
acceleration of 10 m/s/s. The calculation is shown below.
Acceleration values are expressed in units of velocity/time. Typical
acceleration units include the following:
m/s/s
mi/hr/s
7. km/hr/s
m/s2
These units may seem a little awkward to a beginning physics
student. Yet they are very reasonable units when you begin to
consider the definition and equation for acceleration. The reason for
the units becomes obvious upon examination of the acceleration
equation.
Since acceleration is a velocity change over a time, the units on
acceleration are velocity units divided by time units - thus (m/s)/s
or (mi/hr)/s. The (m/s)/s unit can be mathematically simplified to
m/s2.
Example:
A car starts from rest and accelerates uniformly over a time of 5.21
seconds for a distance of 110 m. Determine the acceleration of the
car.
Soulution:
Given:
d = 110 m t = 5.21 s vi = 0 m/s
Find:
a = ??
d = vi*t + 0.5*a*t2
110 m = (0 m/s)*(5.21 s)+ 0.5*(a)*(5.21 s)2
110 m = (13.57 s2)*a
a = (110 m)/(13.57 s2)