engineering recuitment Indian Coast Guard Yantrik Mock Test 2024 Engineering Mechanics Equilibrium and Friction Friction
Which of the following statement is correct?
1
The force of friction depend upon the area of contact
2
The static friction is always higher than the limiting friction
3
The force of friction always acts in a direction to that in which the body is moving
4
The magnitude of limiting friction bears a constant ratio to the normal reaction between the two surfaces