The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 120 N, and F2 is 70 N. The forces are measured in units of newtons (N).
The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 120 N, and F2 is 70 N. The forces are measured in units of newtons (N).
(a) Find the single force that is equivalent to the two forces shown.
(b) Find the force that a third person would have to exert on the mule to make the net force equal to zero.
Homework Answers
net horizontal force
Fx = 120 cos 60 - 70 cos 75
Fx = 41.882 N
net vertical force
Fy = 120 sin 60 + 70 sin 75
Fy = 171.537 N
net force
F^2 = Fx^2 + Fy^2
F = 176.58 N ===>>> ans
direction,
x = arctan ( Fy/Fx) = 76.28 ccw from +x axis ==>>> Ans
=======
b)
F = 176.58 N ====>> ans
dircetion
x = 76.28 + 180 = 256.28 ccw from +x axis ===>>> ans
=======
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The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 120 N, and F2 is 70 N. The forces are measured in units of newtons (N).
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