Subject: Why is only 1 force taken into account when there are actually 2?
Date: Fri Jan 22 12:14:56 2010
Posted by Kalle Heikkinen
Grade level: 10-12
City: Helsinki State/Province: No state entered.
Area of science: Physics
Assume an upright spring with a weight G on top of it. According to a statics
FBD there are two forces acting upon the spring: G(weight) downwards and F(the
earth's support upwards). But the displacement from equilibrium is only G/-k
not G+F/-k why?
Re: Why is only 1 force taken into account when there are actually 2?
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