A 200 Kg Box Slides Up a 12

question 57

Multiple Choice

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,in Joules?

• A) 2,570
• B) 2,350
• C) 1,450
• D) 1,180
• E) 945

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