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WHY OBJECTS FLOAT OR SINK WHEN PLACED ON...

WHY OBJECTS FLOAT OR SINK WHEN PLACED ON THE SURFACE OF WATER

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Steel sinks in water but a steel boat floats .why ?

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Assertion : A thin staindess steel needle can by floating on a still water surface Reason : Any object floats when the bayancey force balace the weight of the object

MBD -HARYANA BOARD-GRAVITATION-Example
  1. Why is it difficult to hold a school bag having strap made of thin and...

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  2. What do you mean by buoyancy?

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  3. WHY OBJECTS FLOAT OR SINK WHEN PLACED ON THE SURFACE OF WATER

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

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

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

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  7. The gravitational attraction of the earth on any object is proportiona...

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  8. The distance between the moon and earth is 3.8 xx 10^(8)m. Find the gr...

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  9. The Earth and the moon are attracted to each other by each other by gr...

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

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

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  12. What happens to the force between two objects, if the distance between...

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  13. What happens to the force between two objects, if the masses of both o...

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  14. What is the imprtance of universal law of gravitation?

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  15. What is the acceleration of free fall?

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  16. What do you call the gravitational force between the earth and an obj...

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

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  18. Does earth pull all objects with equal acceleration? If yes, why will ...

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  19. Gravitational force on the surface of moon is 1//6 as strong as gravit...

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  20. A ball is thrown vertically upwards with a velocity of 49 ms^-1. Calcu...

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