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A force of 20 N acts upon a body whose w...

A force of 20 N acts upon a body whose weight is 9.8 N. what is the mass of the body and how much is its acceleration ?

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The correct Answer is:
`1 kg ;20 m//s^(2)`
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LAKHMIR SINGH & MANJIT KAUR-GRAVITATION-Exercise
  1. Write the differences between mass and weight of an object.

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  2. Can a body have mass but no weight ?

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  3. A force of 20 N acts upon a body whose weight is 9.8 N. what is the ma...

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  4. A stone resting on the groud has a gravitional force of 20 N acting on...

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  5. An oject has mass of 20 kg on earth .What will be its (i) mass and (ii...

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  6. Which is more fundamental the mass of a body or its weight ? Why ?

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  7. How much is the weight of an object on the moon as compard to its weig...

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  8. Define universal gravitational constant. Give its value with SI units.

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  9. What do you undersatand by the term accelation due to gravity of earth...

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  10. State and explain briefly Keplars laws of planetary motion.

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  11. The mass of a planet is 6xx10^(24) kg and its diameters is 12.8 xx 10^...

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  12. A body is thrown vertically upward with velocity u, the greatest heigh...

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  13. The mass of moon is about 0.012 times that of earth and its diameter i...

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  14. The value of g on the surface of the moon

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  15. The atmosphere is held to the earth by

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  16. The force of attraction between two unit point masses separated by a u...

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  17. The weight of an object at the center of the earth of radius R is

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  18. Two object of different masses falling freely near the surface of moon...

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  19. Law of gravitation gives the gravitational force between

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  20. Two particles are placed at some distance. If the mass of each of the ...

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