According to Newton's law of gravitation, everybody in the universe attract every other body with force, which is directly proportional to the product of their masses and is inversely proportional to the square of the distance between their Centre, i .e., F is proportional to m1*m2/r^2 or F= G* m1*m2/r^2 where G is the universal gravitational constant = 6.67 into 10 power minus 11 Newton metre square per kg square Read the above passage and answer the following questions : (i) what is the value of G on the surface of moon? (ii) how is the gravitational force between two bodies affected when distance between them is halved ? (iii) what values of life do you learn from it ?
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(i)The value of G doesn't change because it is universal constant (ii)if the distance is halved the gravitational force becomes 4times
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