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Newton's laws of motion can be applied t...


Newton's laws of motion can be applied to a block in liquid also force due to liquid (e.g. upthrust) are also considered in addition to toher forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is `W//2`
Q. If weight of the block is doubled then tension in the string becomes x times and the length calculated from above becomes y times then

A

`x=2`

B

`y=sqrt(2)`

C

both (a) and (b) are correct

D

both (a) and (b) are wrong

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The correct Answer is:
A
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Newton's laws of motion can be applied to a block in liquid also force due to liquid (e.g. upthrust) are also considered in addition to toher forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is W//2 Q. If weight of the block is doubled then tension in the string becomes x times and the time calculated above becomes y times then

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