Front

To make an object move, apply an unbalanced force.

Back

an unbalanced force

Front

A student pushes a wall with 20 N; the wall exerts --

Back

20 N of force

Front

Law relating mass, force, and acceleration

Back

Newton's Second Law of Motion

Front

Force of friction opposing sled motion down the hill?

Back

Arrow A

Front

Force is defined as a push or pull on matter.

Back

Push or pull on matter.

Front

Illustration of Newton's 2nd Law of Motion:

Back

A truck needs a more powerful engine than a small car.

Front

Newton's Third Law: Mike pushes down on the springboard.

Back

The springboard pushes Mike into the air.

Front

Ana pushed a big rock but couldn't move it because she didn't apply enough force.

Back

apply enough force

Front

In a head-on collision, an unbelted person moves forward at the car's speed due to -

Back

inertia

Front

Why does a soccer ball slow down in grass?

Back

friction