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September 2, 2014

Homework Help: physical science

Posted by nthabeleng on Monday, January 28, 2013 at 11:55am.

A tractor pulls a tree trunk across horizontal piece of ground. If the force in the chain is 3000N and the chain forms an angle of 30 degrees with the group , calculate 1the force with wch the tree is pulled across the ground 2 the force with wch the tree is lifted

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