A force of 45 pounds is exerted along a rope attached to a crate at an angle of 30° above the horizontal. The crate is moved 31 feet horizontally. How much work has been accomplished? Round your answer to one decimal place.
A. 1,301.6 foot-pounds
B. 1,395.0 foot-pounds
C. 1,610.8 foot-pounds
D. 1,208.1 foot-pounds
E. 1,456.2 foot-pounds
Answer: D
Mathematics
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A. 
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C. 0
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