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प्रश्न
What do you understand by the term inertia?
उत्तर
“Inertia is the property of a body due to which it cannot change its state (rest or of uniform motion) itself.” Until some external force is applied to it.“
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संबंधित प्रश्न
Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.
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 ?
On what factor does the inertia of a body depend ? Which has more inertia, a cricket ball or a rubber ball of the same size ?
Why do the passengers in a bus tend to fall backward when it starts suddenly ?
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 :
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
Explain the following:
Why is it difficult to walk on marshy ground?
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.
What are the types of inertia? Give an example for each type.
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)
