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प्रश्न
Give an example to illustrate the existence of the force of friction.
उत्तर
If we stop paddling our bicycle, it gradually slows down and ultimately it stops after traveling a certain distance. This is due to the frictional force between bicycle and ground.
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संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
Name the two kinds of forces in nature.
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Define sliding friction
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
Fill in the blank
Rolling friction is ............. than sliding friction.
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.
A moving body comes to rest due to friction alone.
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
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.
