What happens when you slowly pulled the cardboard? explain





simple answer: false

I think that in that activity, a coin is placed on top of the cardboard, and the cardboard is place on top of a glass or something. When the cardboard is slowly pulled, the coin on top of it moved with it. And the frictional force acting between the coin and the cardboard made the coin to stay on top of the cardboard used, and it moved with it.

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