state the meaning of the terms rolling friction and fluid friction
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Answer:
ROLLING FRICTION-When one body rolls over the surface of another body the resistance to its motions is called rolling friction. 4-FLUID FRICTION OR DRAG-The frictional force exertad by liquids is called fluid friction or drag.
Explanation:
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Answer:
Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rolling appears to be dissipation of energy involved in deformation of the objects
Fluid friction is a force that restricts the movement either within itself or of another medium moving through the liquid. ... It describes the friction between the layers of the viscous liquid that moves relative to each other. The internal resistance to flow is termed as viscosity