In this video Paul Andersen explains how a net torque acting on an object will create rotational motion. This motion can be described by the angular displacement, angular velocity, and angular acceleration. The linear velocity can be...

Learn how to solve classic ladder problems using static equilibrium principles. This lesson covers torque, free body diagrams, normal and frictional forces, and strategic pivot selection

Torque & Moment of Inertia: Physics Problem with Multiple Forces

This video solves a physics problem that demonstrates how to calculate the net torque acting on a rigid body due to multiple applied forces. It covers the concept of torque, moment arm, and vector summation

Prepare for the AP Physics 1 Exam with this comprehensive review of the second half Unit 5! In this video, we cover torque, rotational inertia, rotational equilibrium, and the rotational forms of Newton’s laws. Learn key concepts,...

In today's lesson, we delve into the fascinating world of electric motors. Visualize a rectangular conducting loop in a uniform magnetic field – the key to motor magic. As we explore the loop's rotation, we decipher induced magnetic...

This Flipping Physics episode unravels the intricate dance between magnetic fields and induced currents in a loop. Learn the principles governing induced magnetic forces, using a practical example with a rectangular conducting loop....

This problem is about the net torque on a cylinder with multiple radii.

This problem is about the average net torque on a wheel when we know the change in its angular speed, moment of inertia and change in time.

This problem is about the equation for the net torque on an cylinder with two radii in static equilibrium.

My solutions to Free Response Question #1 from the 2016 AP Physics 1 Exam. Also included are my reflections on how to get more points on the exam.

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

My solutions to Free Response Question #3 from the 2018 AP Physics 1 Exam. Also included are my reflections on how to get more points on the exam.

This Quantitative/Qualitative Translation question also works as a part of the AP...

My solutions to Free Response Question #1 from the 2019 AP Physics 1 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...

These are my solutions to the Multiple Choice section of the Mechanics portion of the 1998 AP Physics C released exam. AP® is a registered trademark of the College Board, which was not involved in the production of, and does not...

This Free Response Question includes the following concepts: Center of Mass of a System of Particles, Translational and Rotational Kinetic Energy, Conservation of Linear and Angular Momentum, Angular Momentum of a System of Particles and...

0:00 Intro

0:11 Circular Motion: Angular Velocity and Angular Accler
ation
0:37 Circular Motion: Centripetal Ac
celeration
0:56 Circular Motion: Arc Length, Tangential Velocity and Tangenti
al...

A basic rotational form of Newton’s Second Law problem with only one force.

A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...

Calculus is used to derive the angular frequency and period equations for a physical pendulum. A physical pendulum is also demonstrated and real world calculations are performed. This is an AP Physics C: Mechanics...

AP Physics C: Electricity and Magnetism review of motional emf via Newton’s Second Law and Faraday’s Law, induced forces on current carrying loops, electric motor basics, and back emf.

0:00 Motional EMF via Newton's Second...

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

Today, we are going to walk through an example problem. Remember, for each truss we follow the same steps:

1. Calculate the missing angles (if neces
sary)
2. Calculate static determinanc
e (2J=M+R)
3. Calculate
reaction...

A uniform 0.093 kg meterstick is supported at the 15 cm and 92 cm marks. When a 0.250 kg object is placed at the 6.0 cm mark, what are the magnitudes of the forces supporting the meterstick?

A 200.0 g mass is placed at the 20.0 cm mark on a uniform 93 g meterstick. A 100.0 g mass is placed at the 90.0 cm mark. Where on the meterstick should the fulcrum be placed to balance the system?