gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers, mõju, mis tekib sellest, et iga keha mõjutab universumis kõiki teisi kehi jõuga, mis on proportsionaalne nende masside korrutisega ja pöördvõrdeline nende keskpunktide vahelise kauguse ruuduga, general physical law derived from empirical observations by what Isaac Newton called inductive reasoning