Two crewmen pull a raft through a lock, as shown in the figure ( Figure 1 ) . On

Question

Two crewmen pull a raft through a lock, as shown in the figure(Figure 1) . One crewman pulls with a force of 130 N at an angle of 34 ? relative to the forward direction of the raft. The second crewman, on the opposite side of the lock, pulls at an angle of 45 ? .

(a) With what force should the second crewman pull so that the net force of the two crewmen is in the forward direction?

F = __________________kN

Two crewmen pull a raft through a lock, as shown in the figure(Figure 1) . One crewman pulls with a force of 130 N at an angle of 34 ? relative to the forward direction of the raft. The second crewman, on the opposite side of the lock, pulls at an angle of 45 ? . With what force should the second crewman pull so that the net force of the two crewmen is in the forward direction?

Explanation / Answer

130 sin 34 = F sin 45

F = 103 N

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