what is viscous drag?
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Explanation:
viscous drag: a resistance force exerted on a moving object, with a nontrivial dependence on velocity terminal speed: the speed at which the viscous drag of an object falling in a viscous fluid is equal to the other forces acting on the object (such as gravity), so that the acceleration of the object is zero.
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Answer:
Viscous drag is a force between any two layers of flowing liquid, when there is a relative motion between the two layers. The viscous drag opposes the relative motion between the two layers. The magnitude of the viscous drag is given as F=ηAdvdy. Use this formula to select the correct option.
Formula used:
F=ηAdvdy
The viscous force opposes the relative motion between the layers of the liquid that are in contact.
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