The helicopter view in the figure shows two people pulling on a stubborn mule. T

Question

The helicopter view in the figure shows two people pulling on a stubborn mule. The person on the right pulls with a force f magnitude 86.2 N and direction of?1 = 50.0 degree. The person on the left pulls with a force of magnitude 77.8 N and direction of ?2 = 58.0 degree. Find the single force that is equivalent to the two forces shown. The forces are measured in units of newtons (symbolized N). Find the force that a third person would have to exert on the mule to make the resultant force equal to zero.

Explanation / Answer

Fx = F1*cos(50) - F2*cos(58) = 14.18 N

Fy = F1*sin(50) + F2*sin(58) = 132 N



a) Fnet = 14.18 i + 132 j

b)

F3 should be

F3 = -14.18 i - 132 j

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