What is the ratio of the surface tension forc | vedclass

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(A) The length of the curved part is $L_c = \frac{\pi (a + b)}{2}$.The length of the flat part is $L_f = 2b$.The surface tension force acting on the c

Vedclass · Accepted Answer

$\frac{\pi (a + b)}{4b}$

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(A) The length of the curved part is $L_c = \frac{\pi (a + b)}{2}$.The length of the flat part is $L_f = 2b$.The surface tension force acting on the curved part is $F_c = T 	imes L_c = T 	imes \frac{\pi (a + b)}{2}$.The surface tension force acting on the flat part is $F_f = T 	imes L_f = T 	imes 2b$.The ratio of the force on the curved part to the force on the flat part is:$Ratio = \frac{F_c}{F_f} = \frac{T 	imes \frac{\pi (a + b)}{2}}{T 	imes 2b} = \frac{\pi (a + b)}{4b}$.

What is the ratio of the surface tension force acting on the curved part to that on the flat part?

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