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Two small block m=2kg each kept on wedge...

Two small block `m=2kg` each kept on wedge of mass `12 kg`. There is no friction between blocks and wedge coefficient of friction between wedge and ground in `mu=0.3`. Calculate frictional force by ground on wedge.

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The correct Answer is:
0
f = mg `sin 60^(@) cos60^(@) - mg sin 30^(@) cos 30^(@)f d = 0 `
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GRB PUBLICATION-FRICTION AND CIRCULAR MOTION -Integer answer
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