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प्रश्न
Define rolling friction
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उत्तर
The minimum force required to roll a body on a surface is called the force of rolling friction.
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संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
List three ways of reducing friction.
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Fill in the blank.
.................... is the SI unit of force.
Tick the most appropriate answer.
Friction produces
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
Fill in the blank.
Rolling friction is ........... than sliding friction.
Answer the following in a word or two or in a sentence.
Name a method used to reduce friction.
Answer the following in short.
List the various states of matter that offer frictional force?
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
