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Unit 5: Torque and Rotational Dynamics

Rotational Equilibrium and Newton’s First Law in Rotational Form

Decide when a rigid object's angular velocity stays constant, and use zero net torque with zero net force to solve beams, hinges and balances.

Topic 5.5 · 10 min read

This lesson comes with the AP Physics C: Mechanics plan

In this lesson

  1. 01Zero net torque means constant angular velocity
  2. 02Rotational and translational equilibrium are separate conditions
  3. 03Force diagrams show where each force acts
  4. 04Worked examples
  5. 05Where students lose points

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