Question

A circular ring of radius 7cm is supported horizontally from the pan of a balance, so
that it comes in contact with the water in a glass vessel. What force will be required to detach it from the
surface of water? (Surface tention of water = 0.072N/m.)
1
1..1.
fl mind thanat downward force on the inner and outer circumferon​

Answer 1

Answer:

7cm

0.072N/m

is a answer

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