Question

which one is contact force?

(A) Electrostatic force
(B) Magnetic force
(C) Frictional force
(D) Gravitational force​

Answer 1

(C) Frictional force_________

Answer 2

Answer:

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option b- Frictional force

why is this option ?

The force which always opposes the motion of one body over another body frictional force. It acts between the two surfaces which are in contact with each other. Since frictional force arises when the surface of two objects are in touch with each other ,therefore, frictional force is an example of contact force.