Figure 8 shows three masses (6kg, 2kg, and 1kg) hung by threads.

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l
l
l 5 kg l
l
l
l 2 kg l
l
l
l 1 kg l thats what the diagram looks like that

i found the tension on th bottom to be 9.8 but how do you figure out the tension of the middle and top?

Question

Figure 8 shows three masses (6kg, 2kg, and 1kg) hung by threads. 

----------
       l
       l
   l  5 kg l 
       l
       l
   l  2 kg l
       l
       l
   l  1 kg l     thats what the diagram looks like that

i found the tension on th bottom to be 9.8 but how do you figure out the tension of the middle and top?

anonymous · Answer

just draw a free body diagram.tension in bottom would be 9.81. in middle total weight would be (1+2)*9.81 and the tension in middle string would be 3 times of the bottom. similarly on top string tension would be 8(1+2+3) times of the bottom.