Textbook ExpertVerified Tutor
24 Jan 2022
Given information
Given in the question that a steel needle.
We need to find the diameter of a steel needle that can just barely remain on top of water due to surface tension.
Step-by-step explanation
Step 1.
is the surface tension of the fluid
Surface tension of the water
force needed to keep the needle on top of the water
length of the surface
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