Question

A chain is kept on a table such that 1/3 of the end of the chain is hanging down then question of static friction between the chain and the table

Answer 1

Answer:

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Answer 2

Correct option is D)

In static friction, the frictional force resists force that is applied to an object, and the object remains at rest until the force of static friction is overcome. In kinetic friction, the frictional force resists the motion of an object.

Suppose the mass of the chain is $3m$. The mass hanging will be m, and the mass resting on the table will be $2m$. Writing an equation for the force balance along the chain.

$mg-2mg\mu=0$

$\Rightarrow \mu=\frac{1}{2}$

#SPJ2

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