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A meal plate having an area of 0.04 m^(2...

A meal plate having an area of `0.04 m^(2)` is placed on a horizontal wooden surface. Oil of coefficient of viscosity `2 N s//s^(2)` is is introduced between the plate and the surface till the thickness of the oil layer is `0.5` mm. The horizontal force needed to drug the plate along the surface with a velocity of 5 cm/s is

A

80 N

B

60 N

C

8 N

D

6 N

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (EVALUATION TEST)
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