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प्रश्न
Answer the following in short.
Define force. Write its SI unit.
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उत्तर
A push or pull acting upon an object as a result of its interaction with another object is called force. Its SI unit is the newton (N).
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Give examples to show that friction is both a friend and a foe.
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
List three ways of reducing friction.
Define static friction
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Explain how friction can be minimized.
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
