Two forces of magnitudes P and Q acting at a point have a resultant R and the resolved part of R along P is Q. Prove that the angle between the forces is:
x = cos inverse ((Q-P)/Q) = 2 sin inverse √(P/2Q) and R = √(Q²-P²+2PQ)
Two forces of magnitudes P and Q acting at a point have a resultant R and the resolved part of R along P is Q. Prove that the angle between the forces is:
x = cos inverse ((Q-P)/Q) = 2 sin inverse √(P/2Q) and R = √(Q²-P²+2PQ)
x = cos inverse ((Q-P)/Q) = 2 sin inverse √(P/2Q) and R = √(Q²-P²+2PQ)