Question

when you push a heavy object it doesn't move.explain the reason in terms of net force​

Answer 1

Answer:

as the forced applied is in relation to frictional force as when the the force applied is grater than the frictional force then object moves bt when frictional force is grater the object does not moves.

Answer 2

Factors effecting friction :
Mass
Irregularities

If mass is increased the irregularities are pressed resulting to difficulty in motion

FRICTION OPPOSES RELATIVE MOTION
FRICTION ALWAYS EXIST WHEN AREA IN CONTACT
THANKS!