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AP® Physics C: Mechanics

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Moderate

Work-KE on an Incline

APPHMC-QYJDNZ

A $3 kg$ box slides along a distance of $2.00 m$ on a frictionless inclined surface slanted $30.0^{o}$ above the horizontal.

How much work is done on the box by gravity, taking $g = 9.81 m/s^{2}$?

A

$0 J$

B

$9.81 J$

C

$14.72 J$

D

$29.43 J$

E

$58.86 J$