M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

On which of the following surfaces would a moving sled encounter the least friction?

I. Coefficient of static friction: 0.60
Coefficient of kinetic friction: 0.40
II. Coefficient of static friction: 0.40
Coefficient of kinetic friction: 0.40
III. Coefficient of static friction: 0.50
Coefficient of kinetic friction: 0.50

A

I only

B

II only

C

I and II

D

I, II, and III