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Two bodies of masses 5 kg and 4 kg are a...

Two bodies of masses 5 kg and 4 kg are arranged in two possition as shown in fig. (A) and (B), if the pulleys and the table are perfectly smooth, the accelration of the 5 kg. body in case (A) and (B) are:-

A

g and (5/9)g

B

(4/9)g and (1/9)g

C

g/5 and g/5

D

(5/9)g and (1/9)g

Text Solution

Verified by Experts

The correct Answer is:
B
For case A
`4g-T=4a`
T=5a
`therefore a=(4g)/(9)`
For case B
5g-T=5a
T-4g=4a
`a=(g)/(9)`
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Knowledge Check

  • Two bodies of masses 5 kg and 4 kg are arranged in two positions as shown in fig (a) and (b) if the pulleys and the table are perfectly smooth, the accelerations of the 5 kg body in case (a) and (b) are:

    A
    `g and (5//9)g`
    B
    `(4//9)g and (1//9)g`
    C
    `g//5 and g//5`
    D
    `(5//9)g and (1//9)g`

  • Two bodies of 5 kg and 4 kg are tied to a string as shown in the fig. If the table and pulley both are smooth, acceleration of 5 kg body will be equal to-

    A
    g
    B
    `g/4`
    C
    `(4g)/9`
    D
    `(5g)/9`

  • Two bodies of masses 5kg and 4kg are tied to a string as shown. If the table and pulley are smooth, then acceleration of 5kg mass will be

    A
    `19.5m//s^(2)`
    B
    `0.55m//s^(2)`
    C
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    D
    `5.45m//s^(2)`

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