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प्रश्न
The physical quantity which makes it easier to accelerate a small car than a large car is measured in the unit of :
विकल्प
m/s
kg
kg.m/s
kg.m/s2
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उत्तर
kg
The quantity is mass and it is expressed in kilograms.
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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?
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.
When a tree is shaken, its fruits and leaves fall down . Why ?
The inertia of a moving object depends on :
Give one example of each of the following :
(a) inertia of rest, and (b) inertia of motion .
Explain the following:
Why does dust fly off, when a carpet is hit with a stick?
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 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.
