Solve the problem.A force of 5 pounds acts in the direction of 5° to the horizontal. The force moves an object along a straight line from the point (5, 4) to the point (18, 13), with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.
A. 79.1 ft-lb
B. 15.8 ft-lb
C. 78.8 ft-lb
D. 109.6 ft-lb
Answer: C
Mathematics
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