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Inside a horizontal moving box, an exper...

Inside a horizontal moving box, an experimenter finds that when an object is placed on a smooth horizontal table and is released, it moves with an acceleration of `10ms^(-2)`, in this box. If 1-kg body is suspended with a light string. The tension in the string in equilibrium position. (w.r.t. experimenter) will be (take `g=10ms^(-2)`)

A

10 N

B

`10sqrt(2)N`

C

20 N

D

Zero

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The correct Answer is:
B
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