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प्रश्न
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
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उत्तर
Because of the sudden movement, the clothes moves, but dust on account of the inertia of rest is left behind.
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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?
Why is it advised to tie any luggage kept on the roof of a bus with a rope?
What will be the momentum of a body of mass ‘m’ which is moving with a velocity V ?
When a tree is shaken, its fruits and leaves fall down . Why ?
The unit of measuring momentum of a moving body is :
Give two examples to show that greater the mass, greater is the inertia of the body.
Name the two kinds of inertia.
Give one example of each of the following :
(a) inertia of rest, and (b) inertia of motion .
Multiple Choice Question. Select the correct option.
Inertia is the property of a body by virtue of which the body is:
The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be ______ kg.
