Question

How does force act when glass breaks on falling on the grounds

Answer 1

The force of the ground on the bottom side of the glass, coupled with the force of the “top” of the glass, pushing downward on the rest of the glass, creates an internal stress that causes the glass to shatter.

It’s the same force that causes a rubber ball to deform, into a flattened shape, which then springs the ball back into its original shape, propelling it upward.

The difference being, of course, that rubber, being elastic, can handle more stress than glass can.

Answer 2

F= -mg applied on it..