An object is acted upon by the three forces shown above. In order to move the object upward,
A) any upward force can be applied.
B) an upward force of at least 5 N must be applied.
C) an upward force of at least 25 N must be applied.
D) an upward force of at least 30 N must be applied.
E) an upward force of at least 55 N must be applied.

Question

Quizplus · Accepted Answer

The net force acting on the object is 5 N downward. To move the object upward, an upward force greater than 5 N must be applied. Choice A is correct because any upward force can be applied to move the object upward.

An Object Is Acted Upon by the Three Forces Shown