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Q. |
Which one of the follflowing is correct? |
A. | the frictional resistance is always dependent on the nature of the surface area of contact |
B. | the frictional resistance is always independent of the nature of the surface area of contact |
C. | the frictional resistance is dependent on the nature of the surface area of contact when the liquid flows at a velocity less than the critical velocity |
D. | the frictional resistance is independent of the nature of the surface area of contact when the liquid flows at a velocity less than the critical velocity View Answer |
Answer» D. the frictional resistance is independent of the nature of the surface area of contact when the liquid flows at a velocity less than the critical velocity View Answer |
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