Adisa Pulls a 40-N Crate Up a 5 $\degree$ To the Horizontal and There Is a Constant Force of Plane

question 3

Multiple Choice

Adisa pulls a 40-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)200 J
• D)-200 J

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