Question

if you drop a rubber ball on to the floor it bones back identify the force which causes the bounce​

Answer 1

Answer:

when ball fall on ground it hains kinetic energy and by the Newton's 3rd law , upward force acting on ball which bounces it back

Answer 2

Normal reaction from the ground and the elastic force of the rubber ball.

Explanation:

When a rubber ball is dropped on the surface of the floor it bounces back because of the reaction force from the ground on the ball and the elastic force of the rubber which it stores when the ball hits the hard surface and gets deformed.

Elastic force of the material creates the difference in the intensity with which a ball bounces back after hitting a hard surface.

For perfectly elastic collision in such a case the velocity of the ball after the bounce back will be equal to the velocity just before the collision.

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TOPIC: collision, elastic energy

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