1.5 If the magnitude of the resultant of two forces Fand 2F acting at – InterviewSolution

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1.	1.5 If the magnitude of the resultant of two forces Fand 2F acting at a point O is 50 N, and theincluded angle between Fand 2Fis 90°, then whatis magnitude of F
Answer» resultant F=√F1^2+F2^2+2F1F2costheta50=√F^2+4F^2+2F2F*cos90squaring both sides2500=5F^2F^2=2500/5=500F=10√2N

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