Question

conduct an experiment to prove that first law of motion

Answer 1

Simple Science Experiments: Newton's First Law of Motion. Many years ago, Sir Isaac Newton came up with some most excellent descriptions about motion. His First Law of Motion is as follows: “An object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside force.”
and the experiment:
Put a playing card on top of the plastic cup.Put a coin on top of the card.With a sharp flick, hit the card out from under the coin! .Or pull it really quickly toward you.The coin will drop into the cup.

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