Question

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

• A. √(P² + Q² + 2PQ Sinθ )
• B. √(P² + Q² + 2PQ Cosθ )
• C. √(P² - Q² - 2PQ Sinθ )
• D. √(P² + Q² - 2PQ Sinθ )

Answer 1

Answer:

B. √(P² + Q² + 2PQ Cosθ )