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You find your mass to be 42 kg on a weig...

You find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42kg?

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when we weight our body an upward force acts on it , this upward force is the buoyant force As. A result , the body gets pushed slightly upwards , causing the weighing machine to show a reading less than the actual value
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NCERT- GRAVITION-Exercise
  1. What do you mean by buoyancy?

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  2. Why does an object float or sink when placed on the surface of water?

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  3. You find your mass to be 42 kg on a weighing machine. Is your mass mor...

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  4. You have a bag of cotton and an iron bar, each indicating a mass of 1...

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  5. How does the force of gravitation between two objects change when the ...

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  6. Gravitational force acts on all objects in properties to their masses....

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  7. What is the magnitude of the gravitational force between the Earth and...

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  8. The Earth and the moon are attracted to each other by gravitational fo...

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  9. If the moon attracts the earth, why does the earth not move towards th...

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  10. What happens to the force between two object, if (i) The mass of one...

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  11. What is importance of the universal law of gravitation?

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  12. What is the acceleration of free fall?

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  13. What do we call the gravitational force between the earth and an objec...

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  14. Amit buys few grams of gold at the poles as per the instruction of one...

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  15. Why will a sheet of paper fall slower than one that is crumpled into a...

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  16. Gravitational force on the surface of the moon is only 1//6 as gravita...

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  17. A ball is thrown vertically upwards with a velocity of 49 m//s. Calula...

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  18. A stone is released from the top of a tower of height 19.6m. Calculate...

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  19. A stone is thrown verticaly upward with an initial velocity of 40m//s....

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  20. Calculate the force of gravitation between the earth the sun, given th...

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