The diagram below illustrates three forces acting on an object at point O. If the object is in equilibrium, determine the magnitude of the force P.

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A. 10.5N
B. 11.0N
C. 17.3N
D. 20.0N

Correct Answer: Option D

D. 20.0N

Explanation

10 – P sin 30 = 0

10 – P x 0.5 = 0

P = 20N

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