Newton Devised The Thought Experiment Seen At Figure Imagine The Earth C With A
(Newton devised the thought experiment seen at figure.imagine the Earth(C) with a cannon atop a high mountain(V).fire the cannon horizontally at a low speed and the ball falls,landing at D.progressively higher and higher speeds lead to the ball falling and landing at E,F and G.fired at great enough speed,the ball will return to the cannon(!)-this is called orbit.How can the ball fall and fall and fall yet never hit the ground?why is orbiting sometimes called”free fall?”
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