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प्रश्न
Fill in the following blank with suitable word :
(a) ………………is a measure of the inertia of a body.
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उत्तर
Mass is a measure of the inertia of a body.
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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 do the passengers in a bus tend to fall backward when it starts suddenly ?
The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of :
A Honda City car, a Maruti Alto car, A Tata Nano car and a Mahindra Scorpio car, all are running at the same speed of 50 m/s under identical conditions. If all these cars are hit from behind with the same force and they continue to move forward, the maximum acceleration will be produced in :
What is meant by the term inertia?
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
Explain the following:
Why do fruits fall off the branches in the strong wind?
Inertia of a body depends on
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.
Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one other. They are pushed by a horizontally applied force of 15 N. Calculate the force exerted on the 2 kg mass.
