Suppose a child gets off a rotating merry-go round. Does the angular velocity of the merry-go-round increase,

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Suppose a child gets off a rotating merry-go round. Does the angular velocity of the merry-go-round increase, decrease, or remain the same if:

(a) He jumps off radially? 

(b) He jumps backward to land motionless?

(c) He jumps straight up and hangs onto an overhead tree branch?

(d) He jumps off forward, tangential to the edge? Explain your answers. (Refer to Figure 10.32).


(a) (c) (b) (d)

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