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A mass of 1 kg is suspended by means of ...

A mass of 1 kg is suspended by means of a thread. The system is (i) lifted up with an acceleration of `4.9ms^(2)` (ii) lowered with an acceleration of `4.9ms^(-2)`. The ratio of tension in the first and second case is

A

1:3

B

3:1

C

1:2

D

2:1

Text Solution

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The correct Answer is:
B
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