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F-46. What happens to the force between two objects, if(i) the mass of one object is doubled? pamim(ii) the distance between the objects is doubled and triple(11) the masses of both objects are doubled?7. What is the importance of universal law of gravitation?8. What is the acceleration of free fall?9. What do we call the gravitational force between the earthan object?10. Amit buys few grams of gold at the poles as per the instrumof one of his friends. He hands over the same when he mehim at the equator. Will the friend agree with the weight olebought? If not, why? (Hint: The value of g is greater at spoles than at the equator.]11. Why will a sheet of paper fall slower than one that is crumpleinto a ball? |
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