Question

plzz help me I am not able to solve this?

Answer 1

Answer:

to and fro motion is applied here

Answer 2

Answer:

here Newton's third law of motion is projected.

Explanation:that is--- whenever one object exerts a force on another object, then the second object exerts an equal and opposite force on the first object .

here, when man exerts a force on the object , the object also replies with an equal force.

##that's it##