Answer:
60N
Explanation:
in this case the minimum amount of force required must be equal to the friction Force. i.e Newton's first law of motion.
therefore the maximum amount of frictional force is equal to the applied force which is 60N.
because of the net force acting on the object is zero the object is in constant motion . i.e equal and opposite force must be applied so that the object is in constant velocity therefore the total frictional force must be 60N
