Physics
WAEC 2020
Which of the following statement about viscosity is not true? it
-
A.
depends on areas of the surfaces in contact
-
B.
occurs in fluids
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C.
is independent of the relative velocity of the layers
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D.
depends on the tangential force between the layers
Correct Answer: Option C
Explanation
Is independent of the relative velocity of the layers is not true because:
Viscosity is dependent on the relative velocity of the layers in a fluid; it describes how the fluid flows when layers move relative to each other.
- Viscosity depends on the area of the surface in contact
- Viscosity is independent of normal reaction
- Viscosity depends on the relative velocity between layers
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