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How will the tensions change if the whole setup starts accelerating in the upward direction?

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Two blocks A and B are tied with strings under water, as shown. The density of A is greater than water whereas that of B is less than water. The tensions in the strings are T1 and T2 respectively.

enter image description here

How will the tensions change if the whole setup starts accelerating in the upward direction?

AT1 increases and T2 decreases
BT2 increases and T1 decreases
CBoth increase
DBoth decrease

Correct Option: 3  
posted Mar 3 by anonymous

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