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The pulley in the diagram are all smooth...

The pulley in the diagram are all smooth and light. The acceleration of `A` is `a` upwards and the acceleration of `C` is `f` downwards. The acceleration of `B` is

A

`1//2 ( f-a)`up

B

`1//2( a+ f ) ` down

C

`1//2( a+ f ) `up

D

`1//2 ( a - f) `up

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A
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Knowledge Check

  • The pulley in the diagram are all smooth and light. The acceleration of A is a upwards and the acce,leration of C is f downwards. The acceleration of B is

    A
    `½(f-a) up`
    B
    `½(a+f)down`
    C
    `½(a+f)up`
    D
    `½(a-f)up`

  • If acceleration of block B is 4 m//s^(2) upward & that of C is 6 m//s^(2) downward. Find acceleration of A :-

    A
    `2 m//s^(2)` upward
    B
    `1 m//s^(2)` upward
    C
    `1 m//s^(2)` downward
    D
    `2 m//s^(2)` downward

  • The acceleration of light pulley is

    A
    F/m
    B
    F/2m
    C
    F/4 m
    D
    F/8 m

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