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A rectangular plate of dimensions 6cm xx...

A rectangular plate of dimensions `6cm xx 4 cm` and thickness 2 mm is placed with its largest face flat on surface of water . (i) What is the downward force on the plate due to surface tension ? Surface tension of water `=7.0 xx10^(-2) "Nm"^(-1)` (ii) If the plate is placed vertical so that the longest side just touches the water surface, find the downward force on the plate.

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SL ARORA-Mechanical Properties of fluids-Exercise
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