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प्रश्न
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
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उत्तर
When a train suddenly starts, the passengers tend to fall backwards. This is because the lower part of the body, which is in contact with the train, begins to move while the upper part of the body tends to maintain its position of rest. As a result, the upper part tends to fall backwards.
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संबंधित प्रश्न
Which of the following has more inertia:
- a rubber ball and a stone of the same size?
- a bicycle and a train?
- a five-rupees coin and a one-rupee coin?
The mass of object A is 6 kg whereas that of another object B is 34 kg. Which of the two objects, A or B, has more inertia ?
Give two examples to show that greater the mass, greater is the inertia of the body.
Name the two kinds of inertia.
Why does a person fall when he jumps out from a moving train ?
Why does a ball thrown vertically upwards in a moving train , come back to the thrower's hand ?
What are inertia kinds?
Multiple Choice Question. Select the correct option.
Inertia is the property of a body by virtue of which the body is:
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)
