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प्रश्न
Tick the most appropriate answer.
Force of friction comes into play when a/an
पर्याय
object attempts motion
moving object tries to stop
object is at rest
all of the these
उत्तर
all of the these
APPEARS IN
संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Answer the following in short.
Define force. Write its SI unit.
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 has no relation with our walking or running.
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Explain how friction can be minimized.
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
