•When I slowly pulled the cardboard, the coin placed on top of the cardboard remained at rest but was dragged along with cardboard. Explanation: That is because, the coin was dragged by the force in the surface of the cardboard called friction.
•When the cardboard was flicked, the cardboard moved upward and outward, but the coin cannot be with it. Since the cardboard removed from underneath, therefore the coin will be dropped into the 'glass'. The coin will not join together with the flicked cardboard because the coin is at rest.
Answers & Comments
Explanation:
•When I slowly pulled the cardboard, the coin placed on top of the cardboard remained at rest but was dragged along with cardboard. Explanation: That is because, the coin was dragged by the force in the surface of the cardboard called friction.
•When the cardboard was flicked, the cardboard moved upward and outward, but the coin cannot be with it. Since the cardboard removed from underneath, therefore the coin will be dropped into the 'glass'. The coin will not join together with the flicked cardboard because the coin is at rest.
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