A uniform aluminum beam 9.00 m long, weighing 300 N, rests symmetrically on two supports 5.00 m
Question:
(a) In the same diagram construct two graphs showing the upward forces FA and FB exerted on the beam at points A and B, as functions of the coordinate x of the boy. Let 1 cm = 100 N vertically, and 1 cm = 1.00 m horizontally.
(b) From your diagram, how far beyond point B can the boy walk before the beam tips?
(c) How far from the right end of the beam should support B be placed so that the boy can walk just to the end of the beam without causing it to tip?
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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