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21-12-2021
Physics

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1. Calculate the forc e required to take away a flat circular plate of radius 0.01m from the surface of the water. The surface tension of water is 0.075 N/m.

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21-12-2021

Answer:

r=0.01m

t=0.075n/m

f?

d=2πr

d=2×3.14×0.01

d=0.0628

T=0.075n/m

f=T×d

f= 0.075×0.0628

f=0.00471

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