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pulley in the diagram is mass less but t...

pulley in the diagram is mass less but there is friction between pulley and string then the acceleration of system is

A

`(g (1- mu))/(2)`

B

`(g (1-2mu))/( 2)`

C

`(g (1-mu))/(3)`

D

`g/2`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A block B is pulled by a force of 18 N applied to a light pulley as shown in the figure. If the coefficient of friction is 0.4 and the acceleration of the block is 0.5 ms^(-2) , the mass of the block is (g = 10 m//s^2)

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    B
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    C
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    D
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