A child runs and jumps tangentially onto an initially stationary playground merry-go-round. As a result, the merry-go-round begins to turn. Explain in terms of the child-merry-go-round system.

Question

Quizplus · Accepted Answer

The Answer is The child has an initial angular momentum about the center of the merry-go-round.The total angular momentum of the system is conserved,so the merry-go-round must rotate when the child is on it.

A Child Runs and Jumps Tangentially onto an Initially Stationary