Get ready to crush the AP Physics 1 exam with this complete 30-minute review of the entire course! This video covers every major topic from Units 1 through 8, including kinematics, dynamics, energy, momentum, rotation, harmonic motion,...

Torque & Moment of Inertia: Physics Problem with Multiple Forces

This lesson explores the relationship between work done by torque and a body's rotational kinetic energy. It covers the application of the work-kinetic energy theorem for rotating bodies, explains how to calculate work done by constant...

This video presents a challenging physics problem about shooting an arrow through a spinning wheel without hitting any spokes, requiring the application of rotational dynamics principles.

This content walks through a multi-step physics problem involving a block sliding down a frictionless surface and undergoing an inelastic collision with a pivoted rod, causing the combined system to swing upwards. It demonstrates the...

This content explains how to calculate the rotational inertia and angular momentum of a rigid structure composed of a circular hoop and a square frame made of thin rods. It demonstrates the application of the parallel-axis theorem to...

This content solves a physics problem where a disk experiences a time-dependent torque. It demonstrates how to determine the angular momentum of the disk at a specific time by integrating the torque function with respect to time and...

This content provides a step-by-step solution for calculating the torque on a particle about the origin, given its position vector and an applied force vector, using unit-vector notation. It then demonstrates how to find the angle...

This content analyzes the motion of a bowling ball as it transitions from sliding to smooth rolling on a lane. It explains the role of kinetic friction in simultaneously causing linear deceleration and angular acceleration. The video...

This content delves into the physics of a falling cylindrical chimney, treating it as a thin rod rotating about its base. It uses energy conservation to determine the angular velocity and subsequently calculates the radial and tangential...

This content explains the rotational dynamics of a judo foot-sweep, calculating the initial angular acceleration of an opponent. It analyzes the torques produced by both gravity and an applied pull, demonstrating how force placement and...

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

This content defines torque for a particle moving along any trajectory relative to a fixed point, not just a fixed axis. It establishes torque as the vector cross product τ=r×F, explaining its direction using the right-hand rule and its...

This content explains Newton's Second Law for Rotation (τnet =Iα), drawing a clear analogy with its linear counterpart. It then demonstrates its application by solving a detailed problem involving a falling block and a rotating disk,...

This content introduces the concept of torque as the twisting or turning force that causes rotation, explaining its dependence on the applied force and the perpendicular distance from the axis of rotation. It delves into calculating...

This content explains and solves a physics problem involving an inelastic collision in rotational motion. A uniform rod, pivoted at one end, collides with a putty ball that sticks to its end. The solution demonstrates how to calculate...

This content introduces the Law of Conservation of Angular Momentum, stating that if the net external torque on a system is zero, its angular momentum (L) remains constant. It draws a parallel with the conservation of linear momentum and...

This content defines angular momentum (ℓ) for a particle as the cross product of its position vector (r) and linear momentum (p), i.e., ℓ=r×p=m(r×v). It clarifies that angular momentum is a vector quantity defined with respect to a...

Discover the fundamental reason why centripetal force always acts perpendicular to an object's velocity in circular motion. This video uses a clear visual example to illustrate this key physics concept.

This video explains how the removal of mass affects an object's rotational inertia, demonstrating the calculation of percentage decrease in rotational inertia when an innermost or outermost particle is removed.

This content analyzes a physics problem involving a ball connected by two strings to a rotating vertical rod, undergoing circular motion. It demonstrates how to calculate the tension in the lower string, the net force on the ball, and...

Discover the fascinating interplay between buoyant force, Newton’s third law, and free body diagrams in this hands-on physics demonstration. We explore how forces interact when a steel or oak sphere displaces water in a beaker on a...

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...

Calculus based review of the cross product torque equation, how to do a unit vector cross product problem, rotational equilibrium, the rotational form of Newton’s second law, the angular momentum of a particle and of a rigid object with...