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प्रश्न
Give one example of each of the following :
(a) inertia of rest, and (b) inertia of motion .
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उत्तर
Examples of inertia of rest: A coin placed on top of a card remains in place when the card is slightly and quickly jerked horizontally.
Example of inertia of motion: A ball thrown vertically upwards by a person in a moving train comes back to his hand.
APPEARS IN
संबंधित प्रश्न
Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
Describe the term ‘inertia’ with respect to motion.
Give two examples to show that greater the mass, greater is the inertia of the body.
Why does a coin, placed on a card, drop into the tumbler when the card is rapidly flicked with a finger?
The property of inertia is more in :
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
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.
