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5.3 Torque

Part of Torque and Rotational Dynamics in AP® Physics C: Mechanics. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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Lever Arms

A lever arm is the perpendicular distance from the axis of rotation to the line of action of a force. It determines how effectively a force can produce rotation.

The longer the lever arm, the greater the torque produced by a given force.

In this unit

6 lessons

  1. 5.1Rotational KinematicsPreview lesson
  2. 5.2Connecting Linear and Rotational MotionPreview lesson
  3. 5.3TorqueThis lesson
  4. 5.4Rotational InertiaPreview lesson
  5. 5.5Rotational Equilibrium and Newton’s First Law in Rotational FormPreview lesson
  6. 5.6Newton’s Second Law in Rotational FormPreview lesson

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