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Solution 3.3

From Mechanics

Revision as of 09:59, 17 March 2010 by Ian (Talk | contribs)
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Image:2.1.gif

First consider the lower mass.

If T=T1 is the tension in the lower string then


mg=79.8=68.6 N


giving T1=68.6 N


If T=T2 is the tension in the upper string then the two masses are regarded as one particle with total mass 15 kg.

Thus in this case


mg=159.8=147 N


giving T2=147 N