Question:
When a disc rotates with uniform angular velocity, which of the following is not true?
(a) the sense of rotation remains the same
(b) the orientation of the axis of rotation remains the same
(c) the speed of rotation is non-zero and remains the same
(d) the angular acceleration is non-zero and remains the same
Solution:
The correct answer is (d) the angular acceleration is non-zero and remains same
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