scenario: A child is riding on a merry-go-round that is executing uniform circul

Question

scenario: A child is riding on a merry-go-round that is executing uniform circular motion in the horizontal plane. The child is held in place on the merry-go-round by the frictional force between her pants and the chair she sits in.

problem: Which of these statements is true?

A. The child’s velocity is constant and his acceleration is not constant.
B. The child’s speed is constant and the magnitude of her acceleration is not
constant.
C. The magnitude of the child’s acceleration is constant and her velocity is not
constant.

Explanation / Answer

C.The magnitude of the child’s acceleration is constant and her velocity is not constant.

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