Advertisements
Advertisements
प्रश्न
Write true or false.
Liquids offer more friction than the gases.
पर्याय
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Write true or false.
The sliding friction is more than the rolling friction.
Give three examples to illustrate that friction is a necessary evil.
Define static friction
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ 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.
We have two identical metal sheets. One of them is rubbed with sand paper and the other with ordinary paper. The one rubbed with sand paper shines more than the other. Give reason.
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
