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A solid object is rotating freely without experiencing any extermal torque. In the caseA. both the angular momentum and angular velocity have constant direction.B. the direction of the angular momentum is constant but the direction of the angular velocity might not be constant.C. the direction of the angular velocity is constant but the direction of the angular momentum might not be constant.D. neither the angular momentum nor the angular velocity necessarily has constant direction. |
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Answer» Correct Answer - A `tau = 0 rArr alpha = 0 rArr vec(omega)=` constant & `vec(L)=lvec(omega)=` constant |
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