Suppose you are standing on the center of a merry-go-round that is at rest. You are holding a spinning bicycle wheel over your head so that its rotation axis is pointing upward. The wheel is rotating counterclockwise when observed from above.
For this problem, neglect any air resistance or friction between the merry-go-round and its foundation.
Part A Suppose you now grab the edge of the wheel with your hand, stopping it from spinning.
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What happens to the merry-go-round?
ANSWER: It remains at rest.
It begins to rotate counterclockwise (as observed from above).
It begins to rotate clockwise (as observed from above).