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प्रश्न
What do you understand by the term inertia?
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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
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?
Calculate the momentum of the following :
(a) an elephant of mass 2000 kg moving at 5 m/s
(b) a bullet of mass 0.02 kg moving at 400 m/s
Describe the term ‘inertia’ with respect to motion.
Why does a person fall when he jumps out from a moving train ?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Explain the following :
It is advantageous to run before taking a long jump .
What are inertia kinds?
Give two examples of inertia kinds.
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.
