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Two forces whose magnitude are in ratio of3:5 give a resultant of 35N if the angle of inclination be 60 degree calculate magnitude of each force

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A/B=3/5
Let A=3x and B=5x and resultant being r
r=¡Ì(3x)2 +(5x2) +2*3x*5xcos@
35=¡Ì9x2+25x2+15x2

So,35=¡Ì49x2
35=7x
X=5N

15.25

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