A plate weighting 150 N and measuring 0.8 m × 0.8 m just slides down – McqOptions

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1.	A plate weighting 150 N and measuring 0.8 m × 0.8 m just slides down an inclined plane over an oil film of 1.2 mm thickness for an inclination of 30° and velocity of 0.2 m/s. Then the viscosity of the oil used is
A.	0.3 Ns/m2
B.	0.4 Ns/m2
C.	0.5 Ns/m2
D.	0.7 Ns/m2
Answer» E.

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