Forces and Motion Review

Which of the following is a change in the position of an object?

• acceleration

• motion

• speed

• velocity

If you are told that a car is traveling at 70 kilometers per hour, you're being told information about the car's ____________.

• acceleration

• direction

• speed

• velocity

What is a push or pull that acts on an object called?

• force

• friction

• gravity

• inertia

Newton's First Law states that _____________.

• two objects with mass will be attracted to each other.

• an object in motion will eventually slow down and stop on its own.

• an object at rest will remain at rest and an object in motion will remain in motion unless a force acts upon it.

• what goes up must come down.

Inertia is ___________

• the same as gravity

• the mass of an object

• the acceleration of an object

• a word to describe the principle of Newton's First Law

The force that causes two objects with mass to be pulled toward each other is called ___________.

• acceleration

• friction

• gravity

• inertia

Newton's Second Law states that an object will accelerate only when ____________.

• a sustained force acts upon the object

• balanced forces act upon the object

• unbalanced forces act upon the object

• no forces act upon the object

When a force moves an object over distance, which of the following has been performed?

• acceleration

• friction

• gravity

• work

A tool with few or no moving parts that makes work easier is called _____________.

• wheel and axle

• simple machine

• complex machine

• ball and pivot

Which of the following is not a type of lever?

• nutcracker

• pliers

• ramp

• seesaw