We predict and measure the force of tension acting on a pulley while the system is at rest and accelerating.

My solutions to Free Response Question #2 from the 2012 AP Physics C: Mechanics Exam. Also included are my reflections on how to get perform better on the exam.

This Short Answer question also works as a part of the AP Physics C: Mechanics curriculum.

This video is answering the question of how does a pulley work.

Mass 1 and mass 2 hang from either side of a frictionless #pulley with #rotationalInertia, I, and radius, R. What is the angular acceleration of the pulley? Use #ConservationOfEnergy

Angular momentum is used to determine the acceleration of a pulley mass system. two alternate solutions are shown, and the acceleration is demonstrated. This is an AP Physics C: Mechanics topic.
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0.100 kg and 0.200 kg masses hang from either side of a frictionless #Pulley with a rotational inertia of 0.0137 kg·m^2 and radius of 0.0385 m. (a) What is the #AngularAcceleration of the pulley? (b) What is the #TensionForce in each...

Calculus based review of moment of inertia for a system of particles and a rigid object with shape, the derivation of rotational kinetic energy, derivations of the following moments of inertia: Uniform Thin Hoop about is Cylindrical...

A 55 g mass is attached to a light string, which is placed over a frictionless, massless pulley, and attached to a 199 g block which is on a board inclined at 39.3° as shown. Assuming the block starts at rest and the μk between the...

This Free Response Question includes the following concepts: Free Body Diagrams (or Force Diagrams), Static and Kinetic Friction, Tension, Force Normal, Force of Gravity, Newton's Second Law (many times), a Multiple Bock System and a...

Lesson 11 (Power) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video: 1A) You...

The video explains a required physics practical activity that investigates the relationship between the acceleration of an object and its mass, keeping the force constant. The experiment uses a trolley being accelerated by the weight of...

This physics problem demonstrates how to calculate the work done by the tension force as a cart is pulled up an incline using a rope and pulley system. It covers concepts of work, tension, and inclined planes.

This video illustrates the energy conservation principle by solving a physics problem involving a mass connected to a spring on a table, which then pulls a hanging mass via a pulley. It demonstrates how to calculate the speed of the mass...

This video walks through a numerical problem involving rotational motion, specifically calculating acceleration, angular acceleration, and tension in a system with a falling block and a rotating pulley

What is it? ... It's a pulley!
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Physical processes - Force and motion - Gea
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s and pulleys


A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children...

Master the skill of drawing Free Body Diagrams (FBDs) to solve force-related problems in mechanics. Learn the 3-step FBD method, explore pulley problems, and apply Newton’s laws with clarity and confidence

Pulley example

This content analyzes a physics problem involving a monkey climbing a rope to lift a package, applying Newton's Laws of Motion. Learn to calculate the minimum acceleration required to lift the package and the subsequent acceleration and...

Six different clips are shown, five showing examples of the use of pulleys ... can you spot them?
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Physical processes - Force and motion - Gea
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s and pulleys


A Twig Tidbit Film - Spot the Difference....

There are only six basic types of machine. Discover more about levers, wheels and pulleys: what are they and why are they useful? Physics - Forces - Learning Points. Archimedes designed simple machines to move and lift objects. The...

True or false ... Gears give a mechanical advantage?
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Physical processes -Force and motion - Gea
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s and pulleys />

Learning Points
Gears can be


used to gain mechanical advantage.
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Did you know that a seesaw, a wheelbarrow and a fishing rod are all types of lever?
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Physical processes - Force and motion - Gea
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s and pulleys />

Learning Points
A lever is a stif
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bar that...

A horizontal spring is attached to a cord, the cord goes over a pulley, and a 0.025 kg mass is attached to the cord. If the spring is stretched by 0.045 m, what is the spring constant of the spring?