Asked by Anonymous
the ends of a light string are tied to two hooks A and Bin are ceiling which 100 cm apart horizontally,so that the length of string of string between hooks is 140 cm.A 650 g of mass is then attached by a second length of string to a point C on the first.80 cm from A,and hanged freely .Find by drawing or calculation ,the tensions in the portions AC and BC of the srting
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Answered by
Elena
http://answers.yahoo.com/question/index?qid=20090929074248AA1Q7sZ
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