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October 25, 2014

Homework Help: physics

Posted by Jamie Lynn on Wednesday, December 17, 2008 at 5:17pm.

A weight is hung by a cord from the ceiling of an elevator. From the following conditions, choose the one in which the tension of the cord would be the greatest...least?(draw force diagrams)

a) elevator descending at a decreasing spped
b)elevator at rest
c)elevator rising at constant speed
d)elevator descending at increasing speed.

can anyone please explain how to draw these... thanks for your time

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