Class 11 Physics Mechanics Mechanical Properties of Fluids



A liquid film is formed over a frame ABCD as shown in figure.  Wire  CD can slide without friction.  The mass to be hung from CD to keep it in equilibrium is 
(a)
(b)
(c)
(d)
Correct answer: (b) 
Solution: Since in a film, the upward force due to surface tension
or,  

Similar topics
mechanical properties of fluids
laws of motion
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mechanical properties of fluids
laws of motion
energy and power
work
gravitation