Question

friction is caused by the irregularities of surface in contact true or false​

Answer 1

Answer:

true

Explanation:

Friction is caused by the interlocking of irregularities in the surface of two objects which are in contact with each other. To move one object over the other ,we have to apply a force to overcome interlocking of the irregularities in their surfaces.

so it is proved to be true.

Answer 2

Answer:

true

Explanation:

because fiction is occur in rough surface