FCI Question 25


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Physlet Problem Description

A woman exerts a constant horizontal force on a large block as shown in the animation. As a result, the box moves across a horizontal floor with a constant speed vo

Question

The constant horizontal force applied by the woman:

(A) has the same magnitude as the weight of the box.
(B) is greater than the weight of the box
(C) has the same magnitude as the  total force that resists the motion of the box.
(D) is greater than the total force that resists the motion of the box.
(E) is greater than either the weight of the box or the total force that resists its motion.