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All surfaces shown in figure are smooth....

All surfaces shown in figure are smooth. System is released with the spring instretched. In equilibrium, compression in the spring will be

A

`(2mg)/(k)`

B

`((M+m)g)/(sqrt(2)k)`

C

`(mg)/(sqrt(2)k)`

D

`(mg)/(k)`

Text Solution

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The correct Answer is:
d
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Knowledge Check

  • All surfaces shown in figure are smooth system is released with the spring unstretched In equilibrium, compression in the spring will be

    A
    `(mg)/(sqrt(2)K)`
    B
    `(2mg)/(k)`
    C
    `((M+m)g)/(sqrt(2)k)`
    D
    `(mg)/(k)`

  • In the shown diagram mass of A is m and that of B is 2 m. All the surfaces are smooth. System is released from rest with spring unstretched. Then, the maximum extension (x_(m)) in spring will be:

    A
    `(mg)/(k)`
    B
    `(2mg)/(k)`
    C
    `(3 mg)/(k)`
    D
    `(4 mg)/(k)`

  • The system of the wedge and the block connected by a massless spring as shown in the figure is released with the spring in its natural length. Friction is absent. Maximum elongation in the spring will be

    A
    `(3Mg)/(5k)`
    B
    `(6Mg)/(5k)`
    C
    `(4Mg)/(5k)`
    D
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