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Which way is the momentum occuring if a child is riding a merry go round at a constant speed. So for example at each 4 "sides" of the merry go round which direction is momentum .

I know the velocity is always tangent to the circle at a specific point. does the momentum go in the same direction as the velocity. or no because the force is pointing in towards the center

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    and to go along with that. if velocity and mass are constant does that mean the change in magnitude of the momentum is 0?

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