A 15-Kg Child Is Sitting on a Playground Teeter-Totter, 1

Multiple Choice

A 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. What is the minimum distance, on the other side of the pivot, such that a 220-N force will make the child lift off the
Ground?

A) 1.0 m
B) 0.10 m
C) 1.5 m
D) 2.4 m
E) 9.8 m