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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
What name is given to the product of mass and velocity of a body ?
Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
What is Galileo's law of inertia?
Dust particles are removed from a carpet by beating it.
The property of inertia is more in :
Explain the following:
Why do fruits fall off the branches in the strong wind?
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms-2. What could be the acceleration of the other body, if the same force acts on it.
