Question

find an expression for the coefficient of surface tension.
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Answer 1

Answer:

Compute the surface tension of a given liquid whose dragging force is 7 N and length in which the force acts is 2 m?

Solution:

T = F/L.

⇒ T = 7/2.

⇒ T = 3.5 N/m.

Explanation:

this is an example