A ring of radius r, and weight W is lying on a liquid surface . If the surface tension of the liquid is T , then the minimum force required to be appl

Question

A ring of radius r, and weight W is lying on a liquid surface . If the surface tension of the liquid is T , then the minimum force required to be appl

A ring of radius r, and weight W is lying on a liquid surface . If the surface tension of the liquid is T , then the minimum force required to be applied in order to lift the ring up
A. W
B. 2W
C. `W+4 pi rT`
D. `W+2 pi rT`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`F = W + 2 TL `
`= w + 2pir xx 2 = W + 4 pi rT `

6 views Answered 2023-02-05 15:29