Physics · Engineering Mechanics
If the resultant of two forces P and Q acting at an angle θ makes an angle α with the force P, then which of the following is correct?
- 1tan(α) = P sin(θ)P + Q sin(θ)
- 2tan(α) = Q sin(θ)P - Q sin(θ)
- 3tan(α) = Q sin(θ)P + Q cos(θ)✓
- 4tan(α) = P sin(θ)Q - P cos(θ)
Correct answer
tan(α) = Q sin(θ)P + Q cos(θ)
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