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प्रश्न
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
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उत्तर
When a moving bus stops suddenly, the passengers are jerked forward because of inertia. The passengers tend to remain in their state of motion (which they possess in a moving bus) even though the bus has come to rest.
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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?
With which physical quantity should the speed of a running bull be multiplied so as to obtain its momentum ?
The inertia of a moving object depends on :
The unit of measuring momentum of a moving body is :
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 ball thrown vertically upwards in a moving train , come back to the thrower's hand ?
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
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.
Assertion & Reasoning
- Assertion: The value of ‘g’ decreases as height and depth increase from the surface of the Earth.
- Reason: ‘g’ depends on the mass of the object and the Earth.
