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Earn 100

Fluid friction on an object in a fluid depends on its speed with respect to fluid.

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Important Questions on Friction

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Science>Physics>Friction>Friction due to Liquids and Gases
Bodies of birds and fishes are _____ shape.
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Science>Physics>Friction>Friction due to Liquids and Gases
Why are cars, aeroplanes and rockets streamlined?
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Science>Physics>Friction>Friction due to Liquids and Gases
The frictional force exerted by a fluid is called:
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Science>Physics>Friction>Friction due to Liquids and Gases

Give reason for the following:

Objects that move in water are given a streamlined shape.

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Science>Physics>Friction>Friction due to Liquids and Gases
What is the name of 'special shape' which is given to objects moving through air (or water) to reduce drag?
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Science>Physics>Friction>Friction due to Liquids and Gases
What is drag? Give two examples of a drag force.
 
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Science>Physics>Friction>Friction due to Liquids and Gases
Streamlining reduces friction.
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Science>Physics>Friction>Friction due to Liquids and Gases
Fluids are
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Science>Physics>Friction>Friction due to Liquids and Gases
What is the special name of frictional force exerted by fluids (like air or water)?
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Science>Physics>Friction>Friction due to Liquids and Gases
A body shape which offers very little resistance to the flow of air (or water) around it is called:
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Science>Physics>Friction>Friction due to Liquids and Gases
The fluid among the following is:
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Science>Physics>Friction>Friction due to Liquids and Gases
Name the following:

Another name was given to friction force exerted by a fluid. (Humidity/Drag)

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Science>Physics>Friction>Friction due to Liquids and Gases
What is meant by 'streamlined shape'? Name an object which usually has a streamlined shape.
 
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Science>Physics>Friction>Friction due to Liquids and Gases
Explain why objects moving in fluids must have special shapes.
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Science>Physics>Friction>Friction due to Liquids and Gases
Which of the following does not have a streamlined shape?
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Science>Physics>Friction>Friction due to Liquids and Gases
Explain why, a speedboat has a streamlined shape.
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Science>Physics>Friction>Friction due to Liquids and Gases
What is fluid?
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Science>Physics>Friction>Friction due to Liquids and Gases
Fluids are
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Science>Physics>Friction>Friction due to Liquids and Gases
What are fluids? Name two common fluids.
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Science>Physics>Friction>Friction due to Liquids and Gases
What is fluid friction? Describe the factors that affect fluid friction.