(a) A 23.0 kg child is riding a playground merry-go-round that is rotating at 50.0 rpm. What centripetal force, in N, must she exert to stay on if she is 1.00 m from its center? 629.9 N (b) What centripetal force, in N, does she need to stay on an amusement park merry-go-round that rotates at 3.00 rpm if she is 5.50 m from its center? (c) Compare each force with her weight. force from part (a) weight force from part (b) weight

(a) A 23.0 kg child is riding a playground merry-go-round that is rotating at 50.0 rpm. What centripetal force, in N, must she exert to stay on if she is 1.00 m from its center? 629.9 N (b) What centripetal force, in N, does she need to stay on an amusement park merry-go-round that rotates at 3.00 rpm if she is 5.50 m from its center? (c) Compare each force with her weight. force from part (a) weight force from part (b) weight