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molloby · 10-20-2004, 02:34 AM

The best way to do this class of problems is to ignore the concept of tension all together: don't find "T1" and "T2".

Instead transfer the forces to a free body diagram on one block, the force the string applies will be the sum of the forces on the other block but the direction will be in line with the string (obviously).

As they are connected and the string is under tension they will have the same numerical value of acceleration.

Edit: Thanks by the way, I have a dynamics test on this kind of thing on friday and this has put a few concepts straight in my head.

10-20-2004, 02:34 AM	#6 (permalink)
molloby Tilted Location: Sydney, Australia	The best way to do this class of problems is to ignore the concept of tension all together: don't find "T1" and "T2". Instead transfer the forces to a free body diagram on one block, the force the string applies will be the sum of the forces on the other block but the direction will be in line with the string (obviously). As they are connected and the string is under tension they will have the same numerical value of acceleration. Edit: Thanks by the way, I have a dynamics test on this kind of thing on friday and this has put a few concepts straight in my head. Last edited by molloby; 10-20-2004 at 02:36 AM..