A box is sitting on the floor. Then, two workers start pushing on the box with the same amount of force. This is shown in the picture below. The arrows, in the picture, show the direction of each force.

Question

Modified from image courtesy of NASA

If the box does not move, what best explains force 1 and force 2?
A.
Force 1 and force 2 are equal in strength.
B.
Force 1 is stronger than force 2.
C.
Force 1 and force 2 are pushing in the same direction.
D.
Force 1 is weaker than force 2.

Answer 1

The correct answer is:

A. Force 1 and force 2 are equal in strength.

If the box does not move while both workers are pushing with the same amount of force, it indicates that the forces are balanced and equal in strength.