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10 questions from this quiz
1684
Moon constantly falls towards Earth
Force becomes one quarter
F=Gm1m2r2F = \frac{Gm_1m_2}{r^2}F=r2Gm1m2
6.67×10−116.67 \times 10^{-11}6.67×10−11 N m2^22 kg−2^{-2}−2
Henry Cavendish
1687
Mass concentrated at the centre
Distance between centres of masses
Directly proportional to their product
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