Gravity Experiment Proves Different Masses Fall the Same

Simon Stevin, Dutch engineer, inventor, and mathematician published results from a gravity experiment in 1586, whereby proving that objects with different masses fall at the same speed. Stevin dropped two lead balls, one ten times as heavy as the other, a distance of 30 feet and both simultaneously hit the ground. The results refuted Aristotelian assertion that objects of different weights fall at different speeds, preceded in 1583 by Galileo Galilei’s famous gravity studies.

Date:
      1586
Name(s):
      Simon Stevin
Occupation:
      Engineer, Mathematician
Location:
      Netherlands

Additional Information:

  • Free Fall – The Physics Hypertextbook
    Mass does not affect the acceleration due to gravity in any measurable way. The two quantities are independent of one another. Light objects accelerate more slowly than heavy objects only when forces other than gravity are also at work. When this happens, an object may be falling, but it is not in free fall.
  • Newtonian Mechanics – Why do two bodies of different masses fall …
    Jun 20, 2011 – Consequently, the acceleration is a = F m = G M R 2 , which is independent of the mass of the object. Hence any two objects that are subject only to the force of gravity will fall with the same acceleration and hence they will hit the ground at the same time.
  • If objects of different masses would not fall with the same speed …
    If objects of different masses would not fall with the same speed to the Earth in vacuum … A repeatable experiment using “everyday” masses that proves that more … Because of this, inertia plays no role in acceleration in a gravitational field.
  • Galileo’s Leaning Tower of Pisa experiment – Wikipedia
    Between 1589–92, the Italian scientist Galileo Galilei is said to have dropped two spheres of different masses from the Leaning Tower of Pisa to demonstrate …
  • Showing Science: Watch Objects in Free Fall – Scientific American
    Oct 10, 2013 – He even performed several experiments to test Aristotle’s theories. … Two balls of the same size, but different mass. … the same approximate acceleration 9.8 meters per second squared (9.8 m/s2, or g) due to Earth’s gravity.

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