In angular motion, Newton's second law of motion is
Correct answer: C. tau = I \alpha
- A. \( F = ma \)
- B. F = Delta p/Delta t
- C. tau = I \alpha
- D. All of these
Explanation
In angular motion, Newton's second law is expressed as \( \tau = I \alpha \), where \( \tau \) is the torque, \( I \) is the moment of inertia, and \( \alpha \) is the angular acceleration.
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Rotational motion relates angular displacement, angular velocity and angular acceleration to linear displacement, tangential velocity and tangential acceleration through the radius. Questions use radians, v equals r omega and tangential acceleration, while distinguishing tangential velocity from centripetal acceleration and angular quantities from their linear counterparts.
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