A bowling ball is suspended from the ceiling of a lecture hall by a strong cord. The ball is drawn away from its equilibrium position and released from rest at the tip of the demonstratorâs nose, as shown in Figure CQ5.6.
(a) If the demonstrator remains stationary, explain why the ball does not strike her on its return swing.
(b) Would this demonstrator be safe if the ball were given a push from its starting position at her nose? Figure CQ 5.6: