A box is initially at rest on a frictionless surface. It then experiences two forces, as shown in the picture.
20 N —> box <— 18 N
Which best describes what will happen to the box?
A) it will move at a constant speed to the left.
B) it will move at a constant speed to the right.
C) it will move at an increasing speed to the left.
D) it will move at an increasing speed to the right.
C) it will move at an increasing speed to the left.
The net force acting on the box is 20 N - 18 N = 2 N to the left. Since there is a net force acting on the box, the box will accelerate in the direction of the net force, which in this case is to the left. Therefore, the box will move at an increasing speed to the left.