Question

define the force of friction. List the factors affecting the force of friction. explain with examples.

Answer 1

Answer:

Force of friction is the force required to initiate or to maintain relative motion against friction.

The factors affecting the force of friction are-

• Surface on which the object is moved or the nature of the surface. i.e., rough surface, smooth surface, liquids etc.
• The weight of the object or the amount of force on the surface by the object.

The examples are:- tire of Train on the railway tracks