Question

fill a glass with rice keep a piece of rough notebook cardboard on it keep a 5 rupee coin on the cardboard hard using your finger observe what happens why​

Answer 1

Explanation:

Dropping a penny into an empty glass sounds ordinary and simple… at first. At Steve Spangler Science “ordinary and simple” are invitations for us to dream up ways to use science to get it done. The challenge is to discover a creative and scientifically sound way to drop a penny into a glass. We tested a variety of ideas but realized that Sir Isaac Newton had it locked up for years in his First Law of Motion.