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प्रश्न
Tick the most appropriate answer.
Friction for an object can be reduced by
पर्याय
providing wheels
lubricating
streamlining
all of these
उत्तर
all of these
APPEARS IN
संबंधित प्रश्न
Name the two kinds of forces in nature.
List three ways of reducing friction.
Give three examples to illustrate that friction is a necessary evil.
Define static friction
Answer the following in short.
Define force. Write its SI unit.
Fill in the blank.
Rolling friction is ........... than sliding friction.
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
State if the following statement is true or false. Correct the statement if it is false.
Friction helps us to grip the objects in our hand.
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Why is a ball bearing used in a cycle hub?
