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a uniform metre scale of mass 80 g is to be balanced at 70 cm mark.Find from where must a mass of 60 g be suspended to do so. |
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Answer» of metre scale= 80gfulcrum= 70cmlet 60g be suspended at ycmsum of CLOCKWISE moment= SUN of anticlockwise moment60 x y = 80 x [70-50]60y = 1600y = 26.67cmthe mass of 60g must be placed at a distance 26.67 CM away from the fulcrum ______________________________________________0 50 70 y 100 l l 80g 60g |
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