Homework Help: Physics

Posted by Jill on Thursday, October 14, 2010 at 1:56pm.

An empty elevator of mass 2.7x10^2kg is pulled upward by a cable at an acceleration of 1.2m/s. What is the tension in the cable? What would the tension be if the elevator were accelerating downward at 1.2m/s^2?

Physics - bobpursley, Thursday, October 14, 2010 at 3:25pm
Tension= mg+ma where a is the accelearation upward (downward will be negative)

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