A ramp is inclined at 36.9° above the horizontal. A block with mass 0.500 kg is pulled up the ramp by a force F. The block starts at point A at the bottom of the ramp and ends up at point B at the top of the ramp. The distance from A to B, measured along the ramp is 5.00 m. The work done on the block by gravity as the block moves from point A to point B is
A) +24.5 J
B) -24.5 J
C) +19.6 J
D) -19.6 J
E) +14.7 J
F) -14.7 J
G) None of the above answers
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