Force & Motion--Simple Machines Unit Test Review

A force is a ____________.

• push or pull

• inertia

• acceleration

• speed

_____ can cause an object to slow down.

• Inertia

• Acceleration

• Velocity

• Friction

The more textured a surface is, the more ______ it will have on an object.

• inertia

• friction

• velocity

• speed

A natural force that pulls objects toward earth is:

• velocity

• acceleration

• speed

• gravity

All objects have _____ which is a resistance to change in motion.

• acceleration

• friction

• speed

• inertia

When a ball is thrown hard at a wall, it will pick up ______, hit the wall, and bounce back.

• velocity

• acceleration

• speed

• gravity

The speed and direction an object is going is called:

• gravity

• velocity

• inertia

• friction

All objects have ______ , which is a resistance to change in motion.

• inertia

• gravity

• push or pull

• speed

Which law of motion is: An object needs a force to move or stay still.

• Action & Reaction

• Acceleration

• Inertia

Which law of motion is: Force can slow down, speed up, or change the direction of an object.

• Inertai

• Acceleration

• Action & Reaction