Motion: Conserving Momentum

The video explains the conservation of momentum through examples of a pool ball collision and a tennis racket hitting a ball. It demonstrates how momentum is transferred between objects, maintaining the total momentum unless acted upon by external forces.

What happens to the red ball when the moving pool ball collides with it?

• It changes color.

• It disappears.

• It moves due to transferred momentum.

• It remains stationary.

Which law is demonstrated when the momentum of the pool ball is transferred to the red ball?

• Law of Thermodynamics

• Law of Conservation of Momentum

• Law of Conservation of Energy

• Law of Gravity

According to the law of conservation of momentum, what happens to the total momentum in a closed system?

• It fluctuates randomly.

• It remains constant.

• It decreases.

• It increases.

In the context of tennis, what happens to the racquet's momentum when it hits the ball?

• It remains unchanged.

• It doubles.

• It is transferred to the ball.

• It is completely lost.

What is the result of the momentum transfer from the tennis racquet to the ball?

• The ball stops moving.

• The ball moves in the opposite direction.

• The ball changes shape.

• The ball moves in the same direction as the racquet.