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Standard XII

Physics

Perfectly Inelastic Collision

Two masses ...

Question

Two masses $m$ and $M$ are lying on a surface moving with acceleration $a$ . Only the given supporting and moving surface has coefficient of friction as $μ$ . The frictional force for $μ > a / g$ is :

m a

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M a

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μ M a

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μ M g

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Solution

The correct option is D $M a$
As shown in the figure we have friction force acts opposite the direction of motion therefore, we have
The frictional force $f_{s}$
Therefore we have $f_{s} = F = M a$

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Two masses m and M are lying on a surface moving with acceleration a. Only the given supporting and moving surface has coefficient of friction as μ. The frictional force for μ>a/g is :

The correct option is D MaAs shown in the figure we have friction force acts opposite the direction of motion therefore, we have The frictional force fsTherefore we have fs=F=Ma

Two masses $m$ and $M$ are lying on a surface moving with acceleration $a$ . Only the given supporting and moving surface has coefficient of friction as $μ$ . The frictional force for $μ > a / g$ is :

The correct option is D $M a$
As shown in the figure we have friction force acts opposite the direction of motion therefore, we have
The frictional force $f_{s}$
Therefore we have $f_{s} = F = M a$