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प्रश्न
Fill in the blank.
More the roughness of a surface, greater is the ........................
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उत्तर
More the roughness of a surface, greater is the friction.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it.
When a glass rod is rubbed with a piece of silk cloth the rod ______.
What is the cause of friction?
Define sliding friction
Define rolling friction
Fill in the blank.
.................... is the SI unit of force.
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
Answer the following in a word or two or in a sentence.
Name a method used to reduce friction.
