You are presented with the question "Friction causes a car to what?" and the following answer choices: 
- renew energy
 - to move people
 - increase velocity
 - imbalanced
 - squeeze
 - lose energy
 - speed up
 - contracting

Now knowing that friction causes an object to lose energy and for example, the word Car refers to a type of object, so Car is a class, choose the best answer.


 

      lose energy   