Class 11 Physics Mechanics Mechanical Properties of Fluids
Then the force exerted by the liquid on the plate is approximately:
(a)
0.53 N
(b)
0.26 N
(c)
0.72 N
(d)
zero
Correct answer: (a) 
Solution: 

There will be backward viscous force acting on both the sides, first from liquid above the plate, and second from liquid below the plate. In this case for both the plates is 3cm. So we have


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mechanical properties of fluids
friction
laws of motion
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mechanical properties of fluids
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