Chapter 9.3 Review (7th)

Match it! Select the correct answer from the pull down...Good luck!

When there is friction on a roller coaster, some of the potential energy is not converted into

On a roller coaster, where is the potential energy the greatest?

Whenever one form of energy is converted into another, some of the original energy is always converted into which type of energy?

this helps cars use energy in a more useful way

A force that opposes motion between two surfaces that are touching

The total amount of ______________________________ in a closed system is always the same.

Perpetual motion is impossible because

this is a comparison of the amount of energy before a conversion with the amount after