Question

Frictional force exists in which of the following cases
a)exists only for moving bodies
b)exists only for bodies which are rest
c)exists for both moving and non-moving bodies
d) unpredictable​

Answer 1

Answer:

c)exists for both moving and non moving objects.

Explanation:

it acts for both moving bodies and for bodies at rest.

when a body moves kinetic friction exists.

when a body is at rest static friction exists

Answer 2

Answer:

Exits for both moving and non moving bodies