what did Galileo gailii contribute to physics
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The law of falling bodies is one of Galileo's contribution to physics. It states that the objects falls at the same speed regardless of weight or shape. Through his experiments ,Galileo countered the pervasive Aristotelian view, which held that heavier objects fall faster than lighter objects.
Italian scientist Galileo Galilei made major contributions to math, physics and astronomy during the Scientific Revolution of the 16th and 17th Century. The so-called "father of modern science," his work on proving the heliocentric model of the galaxy brought him into conflict with the Catholic church.
He found that bodies do not fall with velocities proportional to their weights, but he did not arrive at the correct conclusion (that the velocity is proportional to time and independent of both weight and density) until perhaps 20 years later. The famous story in which Galileo is said to have dropped weights from the Leaning Tower of Pisa is apocryphal. The actual experiment was performed by Simon Stevin several years before Galileo's work. However, Galileo did find that the path of a projectile is a parabola, and he is credited with conclusions foreshadowing Newton's laws of motion.