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What is the force required to take away ...

What is the force required to take away a flat circular plate of radius 2 cm from the surface of water ? `T = 70 xx10^(3)N//m ." Use " pi = 22/7`

A

`4.4 xx10^(-4)`N

B

`6.6 xx10^(3)`N

C

`8.8 xx10^(3)`N

D

`11 xx10^(-3)`N

Text Solution

Verified by Experts

The correct Answer is:
C
`F= T xx l = 2pir xx T`
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