The work done on the box by the normal force of the plane is zero joules. The work done on the box by gravity is zero joules. The net work done by all the forces acting on the box is zero joules. The gravitational potential energy of the box is increasing.

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A box is pulled up a rough, inclined plane at constant
speed by a little boy. Which one of the following
statements concerning this situation is false?
The work done on the box by the normal force of
the plane is zero joules.
The work done on the box by gravity is zero joules.
The net work done by all the forces acting on the
box is zero joules.
The gravitational potential energy of the box is
increasing.
The boy does "positive" work in pulling the box up
the incline.
Transcribed Image Text:A box is pulled up a rough, inclined plane at constant speed by a little boy. Which one of the following statements concerning this situation is false? The work done on the box by the normal force of the plane is zero joules. The work done on the box by gravity is zero joules. The net work done by all the forces acting on the box is zero joules. The gravitational potential energy of the box is increasing. The boy does "positive" work in pulling the box up the incline.
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