Author Question: The amount of friction that occurs when two blocks slide against each other depends on A) how ... (Read 31 times)

NguyenJ · **on:** Jul 29, 2018

The amount of friction that occurs when two blocks slide against each other depends on

A) how much they are pressed together.
B) the stickiness of atoms on their surfaces.
C) the kinds of material being pressed.
D) all of the above

Question 2

When you push a crate across a level floor at constant velocity, friction between the crate and the floor is

A) less than your pushing force.
B) the same amount as your pushing force.
C) more than your pushing force.
D) none of the above