Question

1. If you push a heavy box which is rest, you must exert some force to start its motion.However once the box is sliding you apply a lesser force to maintain that motion.
Why? ​

Answer 1

Explanation:

I tried to just help you please market please please please pplease mate

Answer 2

Explanation:

If you push a heavy box which is rest, you must exert some force to start its motion.However once the box is sliding you apply a lesser force to maintain that motion because after exerting force we already applied force more than friction ,i.e. , we have already overcome from force of friction.