(a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 30.0 rev/min.

What centripetal force (in N) must she exert to stay on if she is 3.00 m from its center? (Enter a number.) ______N

(b) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 6.00 m from its center? (Enter a number.) _______N

(c) Compare each force with her weight. (For each answer, enter a number.)

(force from (a))/(weight) =_______

(force from (b))/(weight) =_______