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| Keywords: OrbitingCannonBalls.png Illustration of Orbits using Cannonballs I created this drawing myself - FrankH 06 31 12 Jan 2005 UTC If the cannon fires its ball with a low initial velocity the trajectory of the ball will curve downwards and hit the ground A As the firing velocity is increased the cannonball will hit the ground further B and further C away from the cannon because while the ball is still falling towards the ground the ground is curving away from it If the cannonball is fired with sufficient velocity the ground will curve away from the ball at the same rate as the ball falls ” it is now in orbit D The orbit may be circular like D or if the firing velocity is increased even more the orbit may become more E and more F elliptical At a certain even faster velocity called the escape velocity the motion changes from an elliptical orbit to a parabola and will go off indefinitely and never return At faster velocities the orbit shape will become a hyperbola Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Premeditated Chaos using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2005-01-12 Original uploader was FrankH at http //en wikipedia org en wikipedia Released into the public domain by the author <gallery> Newton Cannon svg Trajectories svg </gallery> en wikipedia FrankH Original upload log page en wikipedia OrbitingCannonBalls png 2005-01-12 06 27 FrankH 409×396× 40492 bytes <nowiki>Illustration of Orbits using Cannonballs</nowiki> Ballistics Teaching illustrations of physics Language-neutral diagrams | ||||
