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Unit 5: Torque and Rotational Dynamics

Torque

Find the torque a force exerts about a pivot using the perpendicular component, the lever arm, or the cross product, and draw force diagrams for rigid systems.

Topic 5.3 · 10 min read

This lesson comes with the AP Physics C: Mechanics plan

In this lesson

  1. 01Only the perpendicular part of a force turns
  2. 02The lever arm and the line of action
  3. 03Torque as a cross product
  4. 04Force diagrams for rigid systems
  5. 05Worked examples
  6. 06Where students lose points
  7. 07On the exam

The first units’ lessons are free. The plan opens every lesson, every practice question with worked solutions, your study plan and calendar, for $14.49 a month. Cancel any time.

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