A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is applied to the box to pull it up the incline. The applied force makes an angle of 10.0 degrees to the incline. What is the change in gravitational potential energy of the box?
A) 2,570 J
B) 2,350 J
C) 1,450 J
D) 1,180 J
E) 945 J

Question

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The Answer of A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is applied to the box to pull it up the incline. The applied force makes an angle of 10.0 degrees to the incline. What is the change in gravitational potential energy of the box?
A) 2,570 J
B) 2,350 J
C) 1,450 J
D) 1,180 J
E) 945 J

A 200 Kg Box Slides Up a 12