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A layer of glycerine of thickness 1 mm i...

A layer of glycerine of thickness 1 mm is present between a large surface and small surface of area `0.1m^(2)`. With what force the small surface is to be pulled, so that it can move with a velocity of 1 m/s ?
(coefficient of viscosity`=0.07g-m^(-1)s^(-1)`)

A

70 N

B

7 N

C

700 N

D

0.70 N

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The correct Answer is:
B
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 1 (PHYSICS & CHEMISTRY)
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