A 15.0 kg child is riding a playground merry-go-round that is rotating at 35.0 r

Question

A 15.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 2.00 m from its center? A 15.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 2.00 m from its center? A 15.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 2.00 m from its center?

Explanation / Answer

w = 35.0 rev/min = 35 * [ 2 pi / 60 ] = 3.665 rad/s

centripetal force Fc = m r w2

F = 15 * 2.00 * 3.6652

centripetal force = 403 N

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