The resultant of two forces P and Q acting at an angle θ is – McqOptions

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1.	The resultant of two forces P and Q acting at an angle θ is
A.	√(P² + Q² + 2PQ sinθ)
B.	√(P² + Q² + 2PQ cosθ)
C.	√(P² + Q² - 2PQ cosθ)
D.	√(P² + Q² - 2PQ tanθ)
Answer» C. √(P² + Q² - 2PQ cosθ)

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