NCERT ENGLISH- GRAVITION-Exercise
- Why is it difficult to hold a school bag having strap made of thin and...
02:20
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- What do you mean by buoyancy?
01:57
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- Why does an object float or sink when placed on the surface of water?
01:02
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- You find your mass to be 42 kg on a weighing machine. Is your mass mor...
02:21
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- You have a bag of cotton and an iron bar, each indicating a mass of 1...
07:56
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- How does the force of gravitation between two objects change when the ...
03:00
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- Gravitational force acts on all objects in properties to their masses....
03:28
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- What is the magnitude of the gravitational force between the Earth and...
02:15
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- The Earth and the moon are attracted to each other by gravitational fo...
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- If the moon attracts the earth, why does the earth not move towards th...
01:49
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- What happens to the force between two object, if (i) The mass of one...
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- What is importance of the universal law of gravitation?
02:59
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- What is the acceleration of free fall?
02:32
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- What do we call the gravitational force between the earth and an objec...
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- Amit buys few grams of gold at the poles as per the instruction of one...
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- Why will a sheet of paper fall slower than one that is crumpled into a...
01:42
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- Gravitational force on the surface of the moon is only 1//6 as gravita...
03:10
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- A ball is thrown vertically upwards with a velocity of 49 m//s. Calula...
03:51
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- A stone is released from the top of a tower of height 19.6m. Calculate...
02:11
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- A stone is thrown verticaly upward with an initial velocity of 40m//s....
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