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In the pulley-block arrangement shown in...

In the pulley-block arrangement shown in figure , find the relation between acceleration of blocks `A` and `B`

A

`a_(B) = - 4a_(A)`

B

`a_(B) = - 3a_(A)`

C

`a_(B) = a_(A)`

D

`a_(B) = - (1)/(3) a_(A)`

Text Solution

Verified by Experts

The correct Answer is:
B
`T_(A) = 3T, T_(B) = T`
by such type of problems
`a prop (1)/(T)`
`:. |a_(B)|=3|a_(A)|`
or `a_(B) = - 3a_(A),` as `a_(A)` and `a_(B)`
are in opposite directions.
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