How does drag differ from fluid friction?
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Those substances which are able to flow easily are called Fluids. Water and air are the most common fluids.
There is a friction whenever an object moves through a fluid.It is called fluid friction.
Air is very light and thin, yet it exerts frictional force on objects moving through it.When an object moves through the air ,it pushes the air out of the way and air pushes back on the object. This push of air on the moving object creates fiction which tends to slow down the moving object.Air exerts frictional force on cars, buses ,aeroplanes ,rockets and birds moving through it. Water exerts force of friction on object which move through them and opposite their motion.When an object moves through water, it pushes the water out of the way and the water pushes back on the object.This push of water on the moving object creates fiction which tends to slow down the moving object.Water exerts frictional force on objects like boats, speed boats ,ships ,submarines and fishes which Move through it.
The frictional force exerted by a fluid is called drag.
There is a friction whenever an object moves through a fluid.It is called fluid friction.
Air is very light and thin, yet it exerts frictional force on objects moving through it.When an object moves through the air ,it pushes the air out of the way and air pushes back on the object. This push of air on the moving object creates fiction which tends to slow down the moving object.Air exerts frictional force on cars, buses ,aeroplanes ,rockets and birds moving through it. Water exerts force of friction on object which move through them and opposite their motion.When an object moves through water, it pushes the water out of the way and the water pushes back on the object.This push of water on the moving object creates fiction which tends to slow down the moving object.Water exerts frictional force on objects like boats, speed boats ,ships ,submarines and fishes which Move through it.
The frictional force exerted by a fluid is called drag.
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drag is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. This can exist between two fluid layers or a fluid and a solid surface. Fluid friction is the force that resists the movement of a solid object through a fluid (liquidor gas).
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