Adisa pulls a 50-N crate up a 5.0-m long inclined plane at a constant velocity. If the plane is inclined at an angle of 37 to the horizontal and there is a constant force of friction of 10 N between the crate and the surface, what is the net change in potential energy of the crate?
A) "120 J"
B) "-120 J"
C) "250 J
D) "150 J"
Correct Answer:
Verified
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