A man stands on a scale and holds a heavy object in his hands. What happens to the scale reading if the man quickly lifts the object upward and then stops lifting it?
(a) The reading increases, returns briefly to the reading when standing stationary, then decreases.
(b) The reading decreases, returns briefly to the reading when standing stationary, then increases.
(c) Nothing, since the mass of the person with the object remains the same. Thus the reading does not change.
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