Solve the problem.Two boats are pulling a disabled vessel toward the landing dock with forces of 920 lb and 840 lb. The angle between the forces is 23.7°. Find the direction and magnitude of the equilibrant.
A. 1723 lb at an angle of 168.7° with the 920-lb force
B. 1723 lb at an angle of 78.7° with the 840-lb force
C. 172 lb at an angle of 168.7° with the 920-lb force
D. 1723 lb at an angle of 11.3° with the 920-lb force
Answer: A
Mathematics
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A. 74/5 m3
B. 
C. 144/25 m4
D. -72/5 m3
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