Question

why the card is flicked with the finger the coin placed over it falls in the tumbler

Answer 1

When we flick the card , it comes in motion but the coin tends to be in rest due to its inertia as stated in first law of motion that everything tends to be in motion or rest .So , the coin tends to be at rest and falls vertically downwards .
Hope it is understandable and it helped you....

Answer 2

Answer:

Explanation:

A flick is given to the card with finger, the card flies away and the coin falls in the tumbler. It is explained by saying that due to inertia, the coin remained at its own place and the card went away due to the flick.