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प्रश्न
Answer the following in short.
List the various states of matter that offer frictional force?
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उत्तर
The force of friction is offered by all the three states of matter – solids, liquids, and gases.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Name the two kinds of forces in nature.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Answer the following in short.
Define force. Write its SI unit.
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Fill in the blank.
Rolling friction is ........... than sliding friction.
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Assertion: Friction always opposes the motion.
Reason: Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.
