Newtons law of motion

A climber pulls down on a rope causing his body to lift upward and rise along the rope.

Force= Mass x Acceleration

Two bumper cars collide into each other and each car jolts backwards

A boy is going down a slide. As he reaches the bottom, friction causes him to slow down and stop.

When you give your friend a lift on your bike you have to pedal harder and faster to keep the same speed (acceleration) as you had when you were on your bike alone

For every action there is an equal and opposite reaction.

A smaller cannon ball leaves a cannon much faster than a larger, heavier cannon ball fired at the same time.

When you are standing in a subway train and the train suddenly stops but your body continues to move forward.