Questions
A block A of mass M rests on a wedge B of mass 2M and inclination . There is sufficient friction between A and B, so that A does not slip on B. If there is no friction between B and ground, the compression in spring is
detailed solution
Correct option is D
On M, horizontal components of N and f are balanced (as Mg is vertical). Hence, on 2M also, they will be balanced.∴ Horizontal force kx on 2M should be zero.Talk to our academic expert!
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A uniform sphere of weight W and radius 3 m is being held by a string of length 2m.attached to a frictionless wall as shown in the t figure. The tension in the string will be:
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