Adisa Pulls a 50-N Crate Up a 5 $\degree$ To the Horizontal and There Is a Constant Force of Plane

question 75

Multiple Choice

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 $\degree$ 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"

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