The resultant Of two forces , each P , acting at an angle theta is
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The resultant of the two forces, each of P, acting at an angle theta is; R=√P^2+P^2-2P^2cos(theta) R=√2P^2 [1-cos (theta)] R=√2P^2 [2sin^2 (theta)/2] R=2√Psin (theta)/2. Note: In all the above steps root is for the whole.But in the last step root is only for P.
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