Question

2. Multiple Choice Questions: (a) The force of friction between two bodies is: () parallel to the contact surface. (ii) perpendicular to the contact surface. (ii) inclined at 30° to the contact surface. (1) inclined at 60° to the contact surface.​

Answer 1

Answer:

Solution

Correct option is

A

parallel to contact surface

Friction is the Force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

Friction force acts opposite to the motion of body and acts parallel to the contact surface.

Option A is correct.