In the third century BC, Archimedes said, Give me a long enough lever and a firm fulcrum
Question:
(a) Using the moon as a fixed fulcrum, how long a lever would Archimedes have needed to lift the earth?
(b) What would be the mechanical advantage of such a simple machine? (Disregard the mass of the lever. Assume the weight of the earth is 5.85 x 1025 N, Archimedes’ weight is 858 N, and the distance from the earth to the moon is 3.84 x 108 m.)
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Related Book For
Applied Physics
ISBN: 978-0132109277
10th Edition
Authors: Dale ewen, Neill schurter, P. erik gundersen
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