Videos

Video thumbnail for Kinetic Energy and Potential Energy
13:18
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy and Potential Energy

This physics video tutorial provides a basic introduction into kinetic energy and potential energy. This video also discusses gravitational potential energy and elastic potential energy. Physics 1 Final Exam Review: https://www.youtube.com/watch?v=CwkhvFlNFp0 Work-Energy - Free Formula Sheet: https://www.video-tutor.net/physics-formula-sheets ...
YouTube
· Nov 19, 2018
Video thumbnail for Kinetic Energy: Example Problems
08:37
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy: Example Problems

This video gives an explanation of kinetic and contains several examples for calculating kinetic energy, mass and velocity using the kinetic energy equation. Kinetic energy is the energy an object possesses due to its motion. If an object is in motion then it has kinetic energy. It is also defined as the work needed to accelerate an object from ...
YouTube
· Apr 29, 2020
Video thumbnail for Conservation of Energy Physics Problems
26:09
Icon for www.youtube.comyoutube.com › watch

Conservation of Energy Physics Problems

This physics video tutorial explains how to solve conservation of energy problems with friction, inclined planes and springs. Physics 1 Final Exam Review: https://www.youtube.com/watch?v=CwkhvFlNFp0 Work & Energy - Free Formula Sheet: https://www.video-tutor.net/physics-formula-sheets.html Physics PDF Worksheets: https://www.video-tutor.net ...
YouTube
· Apr 6, 2021
Video thumbnail for Elastic Collisions In One Dimension Physics Problems - Conservation of Momentum & Kinetic Energy
11:23
Icon for www.youtube.comyoutube.com › watch

Elastic Collisions In One Dimension Physics Problems - Conservation of Momentum & Kinetic Energy

This physics video provides a basic introduction into elastic collisions. It explains how to solve one dimension elastic collision physics problems. In an elastic collision - two objects usually bounce off each other. Conservation of momentum and conservation of kinetic energy occurs during an elastic collision. This video provides the ...
YouTube
· Oct 4, 2017
Video thumbnail for Solving a Kinetic Energy Problem in 60 Seconds!🤔🧐😳 #Shorts #Physics #kineticenergy
00:59
Icon for www.youtube.comyoutube.com › watch

Solving a Kinetic Energy Problem in 60 Seconds!🤔🧐😳 #Shorts #Physics #kineticenergy

What happens to kinetic energy when the speed triples? According to the kinetic energy formula, KE = 1/2 mv², velocity plays a crucial role! Watch this quick explanation to find out how kinetic energy changes when speed is tripled. Don't forget to like, comment, and subscribe for more physics tips! @OriginalSciVerse #Shorts #Physics # ...
YouTube
· Mar 3, 2025
Video thumbnail for Work, Energy, and Power - Basic Introduction
01:01:44
Icon for www.youtube.comyoutube.com › watch

Work, Energy, and Power - Basic Introduction

This physics video tutorial provides a basic introduction into work, energy, and power. It discusses the work-energy principle, the relationship between work, force, & displacement as well as kinetic and potential energy. Access The Full 3 Hour Video: https://bit.ly/41WNmI9 Direct Link to The Full Video: https://bit.ly/3GH1St6 PDF Worksheet ...
YouTube
· Apr 6, 2021
Video thumbnail for Rotational Kinetic Energy and Moment of Inertia Examples & Physics Problems
18:38
Icon for www.youtube.comyoutube.com › watch

Rotational Kinetic Energy and Moment of Inertia Examples & Physics Problems

This physics video tutorial provides a basic introduction into rotational kinetic energy. It explains how to solve physic problems that asks you how to calculate the final speed of a sphere rolling down an inclined plane using potential energy, translational kinetic energy and rotational kinetic energy. There's another problem that asks you to ...
YouTube
· Oct 30, 2017
Video thumbnail for Work done from kinetic energy - solved example | Work & Energy | Physics | Khan Academy
08:32
Icon for www.youtube.comyoutube.com › watch

Work done from kinetic energy - solved example | Work & Energy | Physics | Khan Academy

Let's calculate work done when velocities are given. More free lessons & practice -https://www.khanacademy.org/science/in-in-class9th-physics-india Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of ...
YouTube
· Jun 6, 2019
Video thumbnail for Conservative & Nonconservative Forces, Kinetic & Potential Energy, Mechanical Energy Conservation
12:57
Icon for www.youtube.comyoutube.com › watch

Conservative & Nonconservative Forces, Kinetic & Potential Energy, Mechanical Energy Conservation

This physics video tutorial provides a basic introduction into conservative and nonconservative forces. Examples of conservative forces include the electric force, the elastic force, and the gravitational force. Examples of nonconservative forces include friction, the applied force, any push or pull action including the tension force. This ...
YouTube
· Sep 30, 2017
Video thumbnail for Potential and Kinetic Energy with Practice Problems
30:30
Icon for www.youtube.comyoutube.com › watch

Potential and Kinetic Energy with Practice Problems

YouTube
· Sep 16, 2020
Video thumbnail for Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams
24:49
Icon for www.youtube.comyoutube.com › watch

Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams

This physics video tutorial provides a basic introduction into kinetic friction and static friction. It contains plenty of examples and physics problems that asks you to calculate the acceleration using newton's laws of motion. The static frictional force is equal to the applied force up to a maximum value. The kinetic friction force is a ...
YouTube
· Feb 22, 2021
Video thumbnail for GCSE Physics - Kinetic Energy
03:54
Icon for www.youtube.comyoutube.com › watch

GCSE Physics - Kinetic Energy

In this video you'll learn: - How speed and mass affect kinetic energy - How to use the kinetic energy equation General info: - You need to memorise the equation for kinetic energy - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel - Everything is relevant to your ...
YouTube
· May 22, 2019
Video thumbnail for Kinetic Energy - Introductory Example Problems
04:04
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy - Introductory Example Problems

Kinetic Energy - Introductory Example Problems
YouTube
· Jan 29, 2013
Video thumbnail for Average Kinetic Energy of a Gas and Root Mean Square Velocity Practice Problems - Chemistry Gas Laws
12:51
Icon for www.youtube.comyoutube.com › watch

Average Kinetic Energy of a Gas and Root Mean Square Velocity Practice Problems - Chemistry Gas Laws

This chemistry video tutorial explains how to calculate the average kinetic energy of a gas and the root mean square velocity as well. It contains plenty of examples and practice problems on this topic. This video contains all of the equations and formulas needed to solve the problems presented in this tutorial. The average kinetic energy of a ...
YouTube
· Sep 19, 2017
Video thumbnail for kinetic energy equation proof and explanation
06:22
Icon for www.youtube.comyoutube.com › watch

kinetic energy equation proof and explanation

we have explained in detail about the Kinetic Energy and derived the equation of kinetic energy. The Kinetic Energy is the energy possessed by a body due to its motion. If a body is in motion then that body will have some kind of velocity and mass. knowing the velocity and mass of that object we can easily calculate the kinetic energy by using ...
YouTube
· Feb 25, 2020
Video thumbnail for Solving Work-Energy Problems
14:51
Icon for www.youtube.comyoutube.com › watch

Solving Work-Energy Problems

After providing a background and a short strategy, Mr. H steps through detailed solutions to six example problems involving work and energy. Learn how to use the concepts to solve for speed, height, and distance. The External Energy Transfers video tutorial (referenced on Slide 3) can be viewed at: https://youtu.be/Pj-qhVbLGds The Mechanical ...
YouTube
· Oct 26, 2021
Video thumbnail for Kinetic energy | Energy | Middle school physics | Khan Academy
04:06
Icon for www.youtube.comyoutube.com › watch

Kinetic energy | Energy | Middle school physics | Khan Academy

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:energy/x1baed5db7c1bb50b:kinetic-energy/a/kinetic-energy?modal=1 Any object in motion has the property of kinetic energy. Simply put, kinetic energy is motion energy. Learn about how kinetic energy is ...
YouTube
· Mar 24, 2022
Video thumbnail for Kinetic & Potential Energy Problems - CLEAR & SIMPLE
05:58
Icon for www.youtube.comyoutube.com › watch

Kinetic & Potential Energy Problems - CLEAR & SIMPLE

This video shows an example problem where you are asked to solve for the final velocity of an object. It is a classic work energy theorem problems involving all aspects of the theorem except work. It explains the difference between kinetic energy (KE) and potential energy (pe) and work. Work can add or remove energy from a system.
YouTube
· Jan 1, 2009
Video thumbnail for How To Calculate Kinetic Energy: Simple Formula & Easy Examples | Tadashi Science
04:17
Icon for www.youtube.comyoutube.com › watch

How To Calculate Kinetic Energy: Simple Formula & Easy Examples | Tadashi Science

Learn how to calculate kinetic energy easily with this step-by-step guide! In this video, we’ll walk you through the kinetic energy formula, KE = mv²/2, and provide practical examples to help you understand how it works. Whether you're calculating the energy of a speeding car or a fastball, this tutorial breaks it down so anyone can follow ...
YouTube
· May 1, 2023
Video thumbnail for Introduction to Kinetic Energy with Example Problem
05:26
Icon for www.youtube.comyoutube.com › watch

Introduction to Kinetic Energy with Example Problem

Mr.p rides a bike and drives a car to help you learn about Kinetic Energy. Want Lecture Notes? http://www.flippingphysics.com/intro-ke.html This is an AP Physics 1 topic. 0:00 Intro 0:05 Defining Kinetic Energy 0:36 Joules, the units for Kinetic Energy 1:27 Can Kinetic Energy be negative? 1:54 Defining the example problem 3:01 A common mistake ...
YouTube
· Nov 18, 2015
Video thumbnail for What is Kinetic Energy & Work-Energy Theorem in Physics? - [1-8]
27:41
Icon for www.youtube.comyoutube.com › watch

What is Kinetic Energy & Work-Energy Theorem in Physics? - [1-8]

More Lessons: http://www.MathAndScience.com Twitter: https://twitter.com/JasonGibsonMath In this lesson, you will learn what kinetic energy is in physics and how it relates to work and potential energy. Kinetic energy is defined to be the energy associated with motion of a massive object. The equation is KE = 1/2 MV^2. The energy thus depends ...
YouTube
· Nov 30, 2022
Video thumbnail for Rotational Kinematics Physics Problems, Basic Introduction, Equations & Formulas
19:33
Icon for www.youtube.comyoutube.com › watch

Rotational Kinematics Physics Problems, Basic Introduction, Equations & Formulas

This physics video tutorial provides a basic introduction into rotational kinematics. It explains how to solve rotational kinematic problems using a few simple equations and formulas. It covers topics such as angular velocity, angular acceleration, angular displacement and time. It contains plenty of examples and practice problems. Physics 1 ...
YouTube
· Oct 27, 2017
Video thumbnail for Rigid Bodies Work and Energy Dynamics (Learn to solve any question)
09:43
Icon for www.youtube.comyoutube.com › watch

Rigid Bodies Work and Energy Dynamics (Learn to solve any question)

Let's take a look at how we can solve work and energy problems when it comes to rigid bodies. Using animated examples, we go through kinetic energy, work, the principle of work and energy and much more, with step by step solved problems. 🔹Rigid Bodies and Rotation About a Fixed Axis: https://www.youtube.com/watch?v=zrmBObWEDuE 🔹Kinematics ...
YouTube
· Oct 28, 2020
Video thumbnail for 12. Problem on Kinetic Energy | Complete Concept | Theory of Relativity
03:48
Icon for www.youtube.comyoutube.com › watch

12. Problem on Kinetic Energy | Complete Concept | Theory of Relativity

Get complete concept after watching this video Topics covered under playlist of Theory of Relativity : Theory of Relativity, Galilean Transformation, Michelson Morley Experiment, Postulates of Special Theory of Relativity, Lorentz Transformation of Space and Time, Time Dilation, Problems on time dilation, Length Contraction, Variation of Mass ...
YouTube
· Apr 4, 2019
Video thumbnail for "Our World: Potential and Kinetic Energy" by Adventure Academy
03:05
Icon for www.youtube.comyoutube.com › watch

"Our World: Potential and Kinetic Energy" by Adventure Academy

Visit us at https://adventureacademy.com **** Learn the physics of roller coasters and how potential and kinetic energy work together to give you a ride of a lifetime! Science comes alive for young scholars in this episode of Adventure Academy's "Our World" series. **** An epic learning adventure awaits! Experience the immersive and educational ...
YouTube
· Apr 2, 2020
Video thumbnail for Kinematics In One Dimension - Physics
31:47
Icon for www.youtube.comyoutube.com › watch

Kinematics In One Dimension - Physics

This physics video tutorial focuses on kinematics in one dimension. It explains how to solve one-dimensional motion problems using kinematic equations and formulas with objects moving at constant speed and with constant acceleration. This video contains plenty of examples and practice problems. Full 1 Hour 52 Minute Video: https://bit.ly ...
YouTube
· May 31, 2021
Video thumbnail for Chemical Kinetics - Initial Rates Method
34:53
Icon for www.youtube.comyoutube.com › watch

Chemical Kinetics - Initial Rates Method

This chemistry video tutorial provides a basic introduction into chemical kinetics. It explains how to calculate the average rate of disappearance of a reactant as well as how to identify the rate law expression using the initial rates method. It explains how to calculate the rate constant along with the appropriate units and how to calculate ...
YouTube
· Feb 4, 2021
Video thumbnail for Principle of Work and Energy (Learn to solve any problem)
14:27
Icon for www.youtube.comyoutube.com › watch

Principle of Work and Energy (Learn to solve any problem)

Learn about work, the equation of work and energy and how to solve problems you face with questions involving these concepts. Animated examples, step by step, completely solved. The crate, which has a mass of 100 kg, is subjected to the action... The force F, acting in a constant direction on the 20-kg block... The 8-kg cylinder A and 3-kg ...
YouTube
· May 1, 2020
Video thumbnail for Collision Theory - Arrhenius Equation & Activation Energy - Chemical Kinetics
31:50
Icon for www.youtube.comyoutube.com › watch

Collision Theory - Arrhenius Equation & Activation Energy - Chemical Kinetics

This video provides a basic introduction into collision theory. It also provides the Arrhenius equation and related formulas needed to calculate quantities such as the forward and reverse activation energy of a reaction, the rate constant k, and the associated temperature. Full 1 Hour 30 Minute Video: https://www.patreon.com/MathScienceTutor ...
YouTube
· Feb 11, 2021
Video thumbnail for How to Calculate Kinetic Energy
12:25
Icon for www.youtube.comyoutube.com › watch

How to Calculate Kinetic Energy

In this video we will learn how to calculate the kinetic energy of a object using the formula KE = 1/2 mv^2.
YouTube
· Feb 11, 2016
Video thumbnail for Kinetic Energy | Physics
06:08
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy | Physics

In this animated lecture, I will teach you the concept of Kinetic in physics. Also, you will learn how the equation of Kinetic energy and how to calculate kinetic energy with example. Q: What is kinetic energy? Ans: The energy possessed by a body due to its motion is known as kinetic energy. For example, a moving car possesses kinetic energy ...
YouTube
· Jun 8, 2020
Video thumbnail for Kinetic Energy Formula | Physics Animation
01:30
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy Formula | Physics Animation

This video explains "Kinetic Energy Formula" in a fun and easy way.
YouTube
· Nov 16, 2021
Video thumbnail for Work-Energy Theorem Problem by Billy
12:45
Icon for www.youtube.comyoutube.com › watch

Work-Energy Theorem Problem by Billy

Learn with Billy as he uses the Work-Energy Theorem or what I prefer to call the Net Work-Kinetic Energy Theorem to solve a problem. Want Lecture Notes? http://www.flippingphysics.com/wnet-billy.html This is an AP Physics 1 topic. 0:00 Intro 0:36 The problem statement 1:02 The Net Work-Kinetic Energy Theorem 2:03 The Net Work on the Horizontal ...
YouTube
· Feb 26, 2016
Video thumbnail for Introductory Moment of Inertia and Rotational Kinetic Energy Problem
07:57
Icon for www.youtube.comyoutube.com › watch

Introductory Moment of Inertia and Rotational Kinetic Energy Problem

Three 20.0-gram masses are 9.4 cm from an axis of rotation and rotating at 152 revolutions per minute. What is the moment of inertia of the three-object system? The strings holding the masses are of negligible mass. Rotational Kinetic Energy is also solved for and correct units are determined. Want Lecture Notes? https://www.flippingphysics.com ...
YouTube
· Sep 9, 2018
Video thumbnail for Kinetic Energy | Potential and Kinetic Energy for Kids | Kinetic Energy Concepts, Examples | Science
07:03
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy | Potential and Kinetic Energy for Kids | Kinetic Energy Concepts, Examples | Science

Kinetic Energy | Potential and Kinetic Energy for Kids | Kinetic Energy Concepts, Examples | Science Kinetic Energy | Science | Grade-3,4 I hope you liked our video. This educational video explains about Kinetic Energy. This will help them a lot in their daily routine. Topic covered: • What is kinetic energy? • What is the relationship ...
YouTube
· Nov 25, 2022
Video thumbnail for Conservation of Mechanical Energy: Example Problems
19:20
Icon for www.youtube.comyoutube.com › watch

Conservation of Mechanical Energy: Example Problems

This conservation of mechanical energy physics video works through two example problems to show you how to use conservation of energy to determine the potential energy, the kinetic energy, total mechanical energy and the height and velocity of an object as it moves along its path. Because there are no nonconservative forces such as friction the ...
YouTube
· Dec 5, 2021
Video thumbnail for WORK ENERGY THEOREM (PROBLEM SOLVING)
17:07
Icon for www.youtube.comyoutube.com › watch

WORK ENERGY THEOREM (PROBLEM SOLVING)

YouTube
· Jan 18, 2021
Video thumbnail for Kinetic Energy - IB Physics
08:27
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy - IB Physics

Kinetic energy is the energy an object has as a result of having mass and velocity. In this video, I explain why the kinetic energy formula looks the way that it does and give some examples of using the formula to solve problems. Part of a series on energy for IB physics 1.
YouTube
· Apr 8, 2019
Video thumbnail for Kinetic Energy Equation - Dimensional Analysis
05:00
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy Equation - Dimensional Analysis

This video explains how you can find the derivative equations from kinetic energy equation using dimensional analysis. Once you have done this and understood how the variables are rearranged in the equation, you do not have to do repeat these steps again - just take note of all the different equations you can use depending on the variables you ...
YouTube
· Oct 30, 2020
Video thumbnail for Kinetic energy equation example - IGCSE Physics
02:23
Icon for www.youtube.comyoutube.com › watch

Kinetic energy equation example - IGCSE Physics

basic overview of the kinetic energy equation..
YouTube
· Mar 28, 2014
Video thumbnail for Kinetic Energy
00:40
Icon for www.youtube.comyoutube.com › watch

Kinetic Energy

Kinetic energy | Definition, Formula, Units, Examples, & Facts | Kinetic Energy Concepts & Examples | Science I hope you liked our video. This educational video explains about Kinetic Energy. This will help them a lot in their daily routine. Kinetic energy Kinetic energy concepts Kinetic energy examples #kineticenergy #energy #potentialenergy # ...
YouTube
· May 3, 2023
Video thumbnail for Energy Problem Solving (Method & Examples)
10:17
Icon for www.youtube.comyoutube.com › watch

Energy Problem Solving (Method & Examples)

In this video, 3 energy ideas are discussed as to how they are related to problem solving. Then, 2 energy problems are set up and solved for using the preferred method mentioned in the early portion of the video.
YouTube
· Jan 10, 2024
Video thumbnail for Understanding Kinetic Energy: Concept, Formula & Solving Several Practical Examples
09:58
Icon for www.youtube.comyoutube.com › watch

Understanding Kinetic Energy: Concept, Formula & Solving Several Practical Examples

What is kinetic energy, and how does it work? In this video, we break down the concept of kinetic energy, explore its formula, and solve several practical examples to deepen your understanding. Whether you're a student or just curious about physics, this lesson will help you grasp kinetic energy with ease. We'll also discuss real-life ...
YouTube
· Feb 7, 2025
Video thumbnail for Torque, Moment of Inertia, Rotational Kinetic Energy, Pulley, Incline, Angular Acceleration, Physics
03:29:44
Icon for www.youtube.comyoutube.com › watch

Torque, Moment of Inertia, Rotational Kinetic Energy, Pulley, Incline, Angular Acceleration, Physics

This physics video tutorial explains rotational motion concepts such as angular displacement, velocity, & acceleration as well as torque, moment of inertia, rotational kinetic energy, and the parallel axis theorem. It contains plenty of examples and practice problems including inertia problems with pulleys, inclines, and kinetic friction ...
YouTube
· Oct 4, 2016
Video thumbnail for AP Physics 1 Work and Energy Practice Problems and Solutions
28:41
Icon for www.youtube.comyoutube.com › watch

AP Physics 1 Work and Energy Practice Problems and Solutions

YouTube
· Sep 26, 2017
Video thumbnail for Work and Kinetic Energy Theorem (Decoded for Problems Solving) Class 11 Physics | AP Physics
08:11
Icon for www.youtube.comyoutube.com › watch

Work and Kinetic Energy Theorem (Decoded for Problems Solving) Class 11 Physics | AP Physics

Work-Energy Theorem is a fundamental concept that connects work done by a constant force and the kinetic energy of an object. This video lesson will unpack the relationship between force, work, and energy, and how they set objects in motion or bring them to a halt. Let's dive into the mechanics of motion and energy transformation ...
YouTube
· Jan 8, 2024
Video thumbnail for AP Physics C Mechanics (+AP Phys 1) How to Solve Conservation of Rotational Kinetic Energy Problems
07:00
Icon for www.youtube.comyoutube.com › watch

AP Physics C Mechanics (+AP Phys 1) How to Solve Conservation of Rotational Kinetic Energy Problems

What is rotational kinetic energy and how do you solve conservation of rotational kinetic energy problems for AP Physics C Mechanics, AP Physics 1 and Physics classes in general? That's what this lesson is about. You don't have to be in AP Physics C to understand this lesson as it's very straight forward material and there is no calculus with ...
YouTube
· Feb 23, 2025
Video thumbnail for How Do You Understand and Solve Torque, Work & Kinetic Energy Problems for AP Physics C Mechanics?
07:33
Icon for www.youtube.comyoutube.com › watch

How Do You Understand and Solve Torque, Work & Kinetic Energy Problems for AP Physics C Mechanics?

How can you derive and use the Work Kinetic Energy Theorem for rotational systems? That's what we are going over here. This video is geared towards AP Physics C Mechanics students. The playlist for this Unit 6 in AP Physics C Mechanics is here: https://www.youtube.com/playlist?list=PLIi0gkN2zjjpb_MHjtM5iClauAb_2v4mR Here is my playlist for ...
YouTube
· Feb 24, 2025
Video thumbnail for How to Solve Rotational Kinetic Energy Problems with Combination Shapes & Systems of Particles
04:52
Icon for www.youtube.comyoutube.com › watch

How to Solve Rotational Kinetic Energy Problems with Combination Shapes & Systems of Particles

How do you solve rotational kinetic energy problems with combination or complex shapes? This is geared towards AP Physics C Mechanics, AP Physics 1 and Physics classes in general. You don't have to be in AP Physics C to understand this lesson as it's very straight forward material and there is no calculus with it. The playlist for this Unit 6 ...
YouTube
· Feb 24, 2025
Video thumbnail for Physics Problem- Work-Energy Theorem - Kinetic Energy - Solving for Net Force Acting on a Sled
02:10
Icon for www.youtube.comyoutube.com › watch

Physics Problem- Work-Energy Theorem - Kinetic Energy - Solving for Net Force Acting on a Sled

A sled with mass 12.00 kg moves in a straight line on a frictionless, horizontal surface. At one point in its path, its speed is 4.00 m/s; after it has traveled 2.50 m beyond this point, its speed is 6.00 m/s. Use the work–energy theorem to find the net force acting on the sled, assuming that this force is constant and that it acts in the ...
YouTube
· May 31, 2024