Physics · Engineering Mechanics
The resultant force (R) of two concurrent forces (P and Q) acting on a single point, with an angle θ between them, is equal to:
- 1√(P2 + Q2 + 2PQ sinθ)
- 2√(P2 + Q2 + 2PQ cosθ)✓
- 3P2 + Q2 + 2PQ cos θ
- 4√(P2sinθ + Q2cosθ + 2PQ)
Correct answer
√(P2 + Q2 + 2PQ cosθ)
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