A 200 Kg Box Slides Up a 12

question 30

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 and above the incline. If the incline has a coefficient of kinetic friction of 0.100, then the increase in the kinetic energy of the box is

• A) 424 J.
• B) 395 J.
• C) 344 J.
• D) 297 J.
• E) 250 J.

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Definitions:

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A part or other object per hundred, used to indicate a proportion out of one hundred in fractions or rates.

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