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[" (A) "(10)/(7)mg],[" A plank of mass "...

[" (A) "(10)/(7)mg],[" A plank of mass "M" is placed over smoth inclined plane and a sphere is also "p" l "],[" A preensicient of "],[" Fricionissitificient betweensphere and plank.If plank and sphere are released "],[" force on sphere is: "]

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