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Two bodies of mass 3kg and 4kg are suspe...

Two bodies of mass 3kg and 4kg are suspended at the ends of massless string passing over a frictionless pulley. The acceleration of the system is (`g=9.8m//s^(2)`)

A

`4.9 m//s^(2)`

B

`2.45 m//s^(2)`

C

`1.4 m//s^(2)`

D

`9.5 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

`a=((4-3)g)/((4+3))=(g)/(7)=(9.8)/(7)=1.4m//s^(2)`
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Knowledge Check

  • Two bodies of mass 3 kg and 4 kg are suspended at the ends of massless string passing over a frictionless pulley. The acceleration of the system is (g=9.8m//s^(2))

    A
    `4.9m//s^(2)`
    B
    `2.45m//s^(2)`
    C
    `1.4m//s^(2)`
    D
    `9.5m//s^(2)`

  • Two bodies of mass 5 kg and 7 kg are suspended at the ends of massless string passing over frictionless pulley. The acceleration of the system.

    A
    `1.6 m//s^(2)`
    B
    `10 m//s^(2)`
    C
    `9.8 m//s^(2)`
    D
    `7 m//s^(2)`

  • Two bodies of massless string passing over a frictionless pulley. The acceleration of the system is (g=9.8m//s^(2))

    A
    `4.9m//s^(2)`
    B
    `2.45m//s^(2)`
    C
    `1.4m//s^(2)`
    D
    `9.5m//s^(2)`

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