Force & Motion

If an object is sitting still it has ___ energy. It just needs force to spring to motion.

• kinetic
• force
• potential
• lots of

Energy in motion is called ___.

• Newton's energy
• potential energy
• force
• kinetic energy

__ can slow down the speed of an object.

• Force
• Friction
• Motion
• Kinetic energy

The effect of a force is (a) ___.

• motion
• gravity
• pull
• potential

A push or pull on an object that causes it to move, stop or change direction is called __.

• motion
• gravity
• force
• kinetic

The natural force that pulls object toward the earth is known as ___.

• acceleration
• friction
• force
• gravity

When you drive a toy car down a ramp and change the surface variable from smooth wood to a flannel sheet to carpet you are adjusting the __.

• gravity
• inertia
• friction
• potential

The speed and direction of an object is called __.

• velocity
• gravity
• potential energy
• friction

An object made up of few parts to help people create force with less effort is a(n) __.

• experiment
• force
• Newton's Law
• simple machine

A student running in the hall hits a teacher rounding the corner with a stack of papers- the student bounces back and hits the floor while the teacher just drops all his papers. Which Newtons Law is at work?

• Law 1- Inerita

• Law 2 - Acceleration

• Law 3 - Action & Reaction

• Law 4 - Fricton