A Boy And A Girl Pushing A Heavy Book Shelf At The Same Time With 10 Units Of Force Each Towards The Right. What Is The Net Force Acting On The Object

A boy and a girl pushing a heavy book shelf at the same time with 10 units of force each towards the right. What is the net force acting on the object

 

Answer:

20.

Explanation:

"10 unit of force each"

So 10 for girl, and another 10 for boy.

"pushing a heavy book shelf at the same time"