Statement-1:A pair of upright metersticks, with their lower ends against a wall, are allowed to fall to the floor. One is bare, and the other has a heavy weight attached to its upper end. The stick to hit the floor first is the weighted stick.Statement-2: The torque acting on weighted stick is more than the bare stick.
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a
Statement-1 is true, statement-2 is true and statement-2 is the Correct explanation for statement-1.
b
Statement-1 is true, statement-2 is true and statement-2 is not the correct explanation for statement-1.
c
Statement-1 is true, statement-2 is false.
d
Statement-1 is false, statement-2 is true.
answer is D.
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Detailed Solution
α1=mgl2sinθml23=3gsinθ2lα2≃MglsinθMl2=gsinθlSince angular acceleration for the weighted stick is less, it will hit the floor later. Also, torque acting on weighted stick is more.