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प्रश्न
Why does a person fall when he jumps out from a moving train ?
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उत्तर
If a person jumps out of a moving train and tries to stop immediately, he falls due to inertia of motion. This is because his body tends to move forward with the velocity of the train while his feet are stationary.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
The unit of measuring momentum of a moving body is :
A Honda City car, a Maruti Alto car, A Tata Nano car and a Mahindra Scorpio car, all are running at the same speed of 50 m/s under identical conditions. If all these cars are hit from behind with the same force and they continue to move forward, the maximum acceleration will be produced in :
Name the factor on which the inertia of a body depends and state how does it depend on the factor stated by you .
Explain the following :
When a corridor train suddenly starts , the sliding doors of some compartments may open .
What do you understand by the term inertia?
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
What are the types of inertia? Give an example for each type.
Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one other. They are pushed by a horizontally applied force of 15 N. Calculate the force exerted on the 2 kg mass.
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)
