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प्रश्न
Define sliding friction
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उत्तर
The minimum force required to keep the body moving over a surface such that it moves equal distances in equal intervals of time is called the force of sliding friction.
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
When a glass rod is rubbed with a piece of silk cloth the rod ______.
Write true or false.
The sliding friction is more than the rolling friction.
Answer the following.
What do you understand by a force?
Fill in the blank.
.................... is the SI unit of force.
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
