The resultant of two forces P and Q acting at an angle θ is Options: A . &nbspP² + Q² + 2P sin θ B . &nbspP² + Q² + 2PQ cos θ C . &nbspP² + Q² + 2PQ tan θ D . &nbsp√(P² + Q² + 2PQ cos θ)

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

Question

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

Options:

A . P² + Q² + 2P sin θ

B . P² + Q² + 2PQ cos θ

C . P² + Q² + 2PQ tan θ

D . √(P² + Q² + 2PQ cos θ)

Answer: Option D
Answer: (d).√(P² + Q² + 2PQ cos θ)

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