A bob of mass m attached to an inextensible string of lenght l is suspended from a vertical support. the bob rotates in a horizontal circle with an angular speed ω rad/sec about the vertical. about the point of suspension
(a) angular momentum is conserved
(b) angular momentum changes in magnitude but not in direction
(c) angular momentum changes in direction but not in magnitude
(d) angular momentum changes both in direction and magnitude
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Answer:
angular momentum change in direction but not in magnitude
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Answer:
a momentum is conserved is answer
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