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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.
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संबंधित प्रश्न
In the following example, try to identify the number of times the velocity of the ball changes:
“A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team”.
Also identify the agent supplying the force in each case.
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
The unit of measuring momentum of a moving body is :
Name the two kinds of inertia.
Why does a ball thrown vertically upwards in a moving train , come back to the thrower's hand ?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
What are inertia kinds?
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.
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.
What are the types of inertia? Give an example for each type.
