Start believing that humans "When releasing the two pieces which have a mass different from the same height. Under the force of gravity. Object with more mass will fall to the ground, "which was presented by the" Aristotle "The Greek philosopher, this idea has been accepted. And secure the next several hundred years without trial. Check or even check to question the validity
of Galileo Galilei on trial at the Leaning Tower of Pisa
to study the theory of gravitation surely have been presented for the first time by Galileo Galilei (Galileo Galilei. AD 1564 - 1642) in the late 16th at the famous trial of Galileo's experiments unleash mass objects with two different pieces from the Leaning Tower of Pisa. At the same time The object of such It falls under gravity. And the ground almost simultaneously, proving that the ideas of Aristotle was incorrect. Galileo has demonstrated that objects moving under the force of gravity. It is moving with the same speed, whether the object is a matter of how much mass
the mass of Newton's gravitational law
. Sir Isaac Newton (Sir Isaac Newton, AD 1642-1726), mathematician and physicist. England It is important in the study of gravity is enormous. The theory that made him the most famous is the discovery of the law of gravity (Law of Gravitation) theory, which he had discovered by chance one day while Newton was sitting watching the moon. I wonder why the moon must revolve around the Earth. While he was sitting on a moon getaway heard the apple falls. Newton is highly doubtful that much more. Why objects fall to the ground, you must always Why do not float in the air. Newton, who must have thought that something that makes Apple the ground. ** Suspicion of Newton began experimenting with the force of gravity. The first step is to try to tie the stones. Then swing around Newton concluded from this experiment that the rope is the key to making a rock floating around, so why not slip away planet Earth rotates around the sun. And the moon rotates around the Earth to the sun due to gravity on Earth. And the planet And gravity that affects the Moon. Including why the apple on the ground by the force of gravity was caused by a
work written in 1687 about Philosophiae Naturalis Principia Mathematica (commonly known as Principia) is considered one of the most influential books. In the history of science Education is the foundation of classical mechanics The written description of The law of universal gravitation and Newton's laws of motion. The laws of science education as a pillar of the physical universe over the next Newton showed. The motion of objects Earth and celestial objects are within the same natural law. By demonstrating the consistency between Kepler's laws of planetary motion of Kepler. With his theory of gravity. This helps confirm the sun-centered universe. And enables a revolutionary scientific breakthrough more
message in the book The Principia, which discussed the attraction between masses are as follows: "I deduced that the forces which keep the planets in their orbs must [be] reciprocally as the squares of their distances from the. centers about which they revolve: and thereby compared the force requisite to keep the Moon in her Orb with the force of gravity at the surface of the Earth; and found them answer pretty nearly. "gravitational mass that is proportional to size. Both of mass And inversely proportional to the square of the distance between the center of mass, both when the F1 and F2 is the attraction between both masses m1 and m2 is the mass of the two objects, r is the distance between the cork center of mass of the two components G is constant. or Universal constant of gravity is approximately 6.674 × 10-11 N m2 kg-2 .. Newton himself did not specify the G or the Universal constant of gravity in his published work, the G that we use. currently it is being discovered or figuring out later published a book, The Principia to 111 years, or 71 years after the death of Newton. The works of Henry Cavendish (Henry Cavendish) in 1798 *** Cavendish experiment was conducted to test the laws of gravity, the mass of Newton. The Hang dumbbells (dumb-bell) of lead and smaller with yarn and a dumbbell in the mass, the larger two children gravity gravity between dumbbell ball with. Mass huge lump to make one yarn twisting slightly so that the yarn twist to Cavendish angle. Knowing the mass of the dumbbell, including mass, size and gravity that occurs during the dumbbell to the mass, he can know the G from that physicists have been trying to improve the measurement of G thoroughly and properly. to more
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