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GK QUESTION#3014

The measure of the force that can cause an object to rotate about an axis is called:

  1. Apower
  2. Bmoment of inertia
  3. Ccentripetal force
  4. DtorqueCorrect answer
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Answer

D. torque

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Explanation

Torque, also called the moment of a force, measures its turning effect about an axis. Its magnitude is force times the perpendicular lever arm, and its SI unit is N·m. Moment of inertia instead describes resistance to angular acceleration.

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