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प्रश्न
Multiple Choice Question. Select the correct option.
Inertia is the property of a body by virtue of which the body is:
विकल्प
unable to change by itself the state of rest
unable to change by itself the state of uniform motion
unable to change by itself the direction of motion
unable to change by itself the state of rest or uniform motion.
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उत्तर
unable to change by itself the state of rest or uniform motion.
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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.
Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.
What name is given to the product of mass and velocity of a body ?
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
On what factor does the inertia of a body depend ? Which has more inertia, a cricket ball or a rubber ball of the same size ?
If the mass of a body and the force acting on it are both doubled, what happens to the acceleration ?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Dust particles are removed from a carpet by beating it.
What do you understand by the term inertia?
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.
