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Questions  

The acceleration of a body sliding down a rough inclined plane is given by (coefficient of kinetic friction between the plane and the body is μ)

a
g(sin⁡θ+μcos⁡θ)
b
g(sin⁡θ−μcos⁡θ)
c
gsin⁡θ
d
μcos⁡θ

detailed solution

Correct option is B

See fig.mgsin⁡θ−F=mamgsin⁡θ−μmgcos⁡θ=maa=g(sin⁡θ−μcos⁡θ)

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Two blocks of mass M and m are connected with a string which passes over a smooth pulley as shown in fig. The mass M is placed on a rough 

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