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प्रश्न
Dust particles are removed from a carpet by beating it.
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उत्तर
The part of the carpet where the stick strikes comes in motion at once, while the dust particles settled on it remain in the state of rest due to inertia of rest. Thus, a part of the carpet moves ahead with the stick leaving behind the dust particles that fall down due to gravity.
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संबंधित प्रश्न
Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
Name the factor on which the inertia of a body depends and state how does it depend on the factor stated by you .
Why does a person fall when he jumps out from a moving train ?
Explain the following :
It is advantageous to run before taking a long jump .
What are inertia kinds?
Explain the following:
Why do fruits fall off the branches in the strong wind?
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
A man of mass 100 kg has a weight of ______ at the surface of the Earth.
A heavy truck and bike are moving with the same kinetic energy. If the mass of the truck is four times that of the bike, then calculate the ratio of their momenta. (Ratio of momenta = 2:1)
