Saturday, November 24, 2018

VVI QUESTIONS(GRAVITATION)


1. Define gravity and gravitation.
2. State and prove Newtons universal law of gravitation.
3. Define Universal gravitational constant with its S.I unit.
4. What is the effect of gravity on falling object?
5. Why does tides occur on ocean during new moon day and full moon day?
6. Satellites does not need any energy to revolve around the earth,why?
7. Define acceleration due to gravity with its unit.
8. What do you mean by acceleration due to gravity of the earth is 9.8m/s^2?
9. What is the conclusion of Galileo's feather experiment?
10. Feather and coin fall together on moon, why?
11. People get more hurt while jumping from more height, why?
12. Define mass and weight with S.I unit.
13. Where does the weight of body become maximum in Nepal?
14.Where does the weight of body become maximum on the earth, why?
15. What happens to the weight of an object when taken to moon, why?
16. Differentiate between freefall and weightlessness.
17. Write the condition for freefall.
18. When does weightlessness occur?

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