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5.5 Rotational Equilibrium and Newton's First Law in Rotational Form

Part of Torque and Rotational Dynamics in AP® Physics 1: Algebra-Based. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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Newton’s 1st Law in Rotational Form

If you recall, Newton’s 1st Law Verbatim was that an object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity, unless acted upon by a net external force.

The same principle applies in Newton’s 1st Law in Rotational Form. A rigid body at rest will remain at rest and a rigid body with an angular velocity will remain that at constant angular velocity, unless acted upon by a net external torque.

In this unit

6 lessons

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

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