Find the distance between 2 stones of mass 2kg so that the gravational force between them is 1N
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Newton's Law of Gravitation states that the gravitational force between any two objects is the product of their masses divided by the8 distance between their centres of mass squared all multiplied by the gravitational constant.
Or: F = (Gm1m2)/r2
So, we know that the gravitational constant is 6.67x10-11 and that F = 1 and m1 and m2 = 2
So, 1 = (6.67x10-11 x 2 x 2)/r2
rearranging, we get r2 = 6.67x10-11 x 2 x 2
therefore r2 = 2.6692x10-10 therefore r = 1.634x10-5 m
Or about 16 billionths of a metre.
Or: F = (Gm1m2)/r2
So, we know that the gravitational constant is 6.67x10-11 and that F = 1 and m1 and m2 = 2
So, 1 = (6.67x10-11 x 2 x 2)/r2
rearranging, we get r2 = 6.67x10-11 x 2 x 2
therefore r2 = 2.6692x10-10 therefore r = 1.634x10-5 m
Or about 16 billionths of a metre.
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