An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Galileo's law of falling bodies
  قانون ِ گالیله درباره‌ی ِ افت ِ جسم‌ها  
qânun-e Gâlilé darbâre-ye oft-e jesmhâ
Fr.: loi galiléenne de la chute des corps  

In the absence of air resistance, any two bodies that are dropped from rest at the same moment will reach the ground at the same time regardless of their mass.

See also: Galileo (1564-1642) was the first to determine, at the start of the seventeenth century, the law of constant acceleration of free-falling bodies. → law; → fall;
→ body.