Question

answer for first three questions

Answer 1

1) we apply a force on the ground .

2) the friend should also push in the east direction

3)magnetic force produced by the current makes it move

Answer 2

I can answer the second question that is the friend of the girl should also push in the east direction so that the box moves faster.
We apply a force on our legs while walking.
If u have got any help from this answer so please mark me as brainliest.