Physics Quiz

How much potential energy an object has is determined by which of the following?

• shape

• position

• mass

• volume

What does friction do to a moving object?

• speeds it up

• slows it down

• nothing

• changes its direction

Two marbles are about to be rolled down a ramp. One marble is 1 m above the floor and one is 2 m above the floor. Which marble has greater potential energy?

• the marble at 2 m

• the marble at 1 m

• They both have the same potential energy.

• Neither marble has potential energy.

As the marbles roll down the ramp, what happens to the potential energy?

• It is converted to chemical energy.

• It is converted to thermal energy.

• It is converted to kinetic energy.

• It stays potential energy.

What is the formula for speed?

• potential energy/kinetic energy

• energy/distance

• time/distance

• distance/time