51.8k views
4 votes
Which type of friction prevents a pile of rocks from falling apart?

Rolling friction
Kinetic friction
Cohesive friction
Static friction

2 Answers

7 votes

It is NOT Cohesive Friction, I just took the quiz. I believe it is the other answer.

User Lstanczyk
by
7.8k points
2 votes
Static friction because the rocks arent moving are they?
User Thomas Billet
by
8.7k points