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A ball is dropped from top of 40m high t...

A ball is dropped from top of 40m high tower. What will be its velocity after covering a distance of 20m ? What will be its velocity on striking the earth ?

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MBD-GRAVITATION-Example
  1. Find the change in weight percentage of a body when it is taken from e...

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  2. At what height above the earth surface, the acceleration due to gravit...

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  3. A ball is dropped from top of 40m high tower. What will be its velocit...

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  4. If weight of an object is 49 N then what will be its mass ?

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  5. A block of wood is kept on the table top. The mass of wooden block is ...

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  6. A block of wood is kept on the table top. The mass of wooden block is ...

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  7. What is g on the moon as compared to that on earth?

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  8. What is unit of G?

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  9. What is the mass of the earth?

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  10. What is essential property of matter- mass or weight ?

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  11. What is SI unit of weight of a body?

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  12. The earth's gravitational force an acceleration of 5ms^-2 on a 1kg ...

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  13. Why one can jump higher on the surface of moon than on the earth?

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  14. Give the value of universal gravitational constant in S.I. units.

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  15. The value of 'G' on the surface of earth is 6.67xx 10^- 11 Nm^2//kg^2....

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  16. State two factors on which the gravitational force between two objects...

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  17. Write the formula to find the magnitude of gravitational force between...

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  18. Can the mass of a body be zero.

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

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  20. How does the value of 'g' vary from equator to poles ?

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