Momentum = mass x ______

Momentum= (______)v

When direction is not an important factor, momentum= mass x ______.

It is harder to stop a large truck than a small car when both are moving at the same speed.

The truck has less momentum that the car.

A moving object can have a large momentum if it has a large mass, a high speed, or both.

A fast car can have more momentum than a slow large truck.

A truck at rest has no momentum at all.

A truck rolling down a hill has less momentum than a roller skate with same speed.

The change in momentum depends on what two factors ? ______ and _______.

A padded dashboard in a car is safer than a rigid metal one.

If you were in a car that was out of control and had to choose between hitting a haystack or a concrete wall, you would want to choose the (haystack, wall)

Airbags save lives!

To catch a fast-moving ball, extend your hand forward and move it backward after making contact with the ball.