A block of mass m is attached with a mas...

A block of mass m is attached with a massless spring of force constant k. The block is placed over a rough inclined surface for which the coefficient of friction is `mu=(3)/(4)`. The minimum value of M required to move the block up the plane is (Neglect mass of string, mass of pulley and friction in pulley)

`(3)/(5)m`

`(4)/(5)m`

`(6)/(5)m`

`(3)/(2)m`

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A block of mass m is attached with a massless spring of force constant K. the block is placed over a rough inclined surface for which the coefficient of friction is mu =3/4 find the minimum value of M required to move the block up the place. (Neglect mass of string and pulley. Ignore friction in pulley). .

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