Find the work done by a force of 4 pounds acting in the direction of 41° to the horizontal in moving an object 5 feet from (0, 0) to (5, 0).

A. 13.1 ft-lb

B. 16.2 ft-lb

C. 15.1 ft-lb

D. 30.2 ft-lb

Question

Wendy Kim

28 August, 06:53

+1

Answers (1)

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Gilberto Gillespie · Answer 1

F = 5 p

d = 5 ft

The work formula:

W = F * d

W = 5 p * cos 41° * 5 ft = 4 * 0.75471 * 5 = 15.09 ft-lb ≈ 15.1 ft-lb

Answer: C) 15.1 ft-lb

Find the work done by a force of 4 pounds acting in the direction of 41° to the horizontal in moving an object 5 feet from (0, 0) to (5, 0).A. 13.1 ft-lbB. 16.2 ft-lbC. 15.1 ft-lbD. 30.2 ft-lb