I'm trying to improve on tension problems so I am practicing using this website: http://www.education.com/study-help/article/tension/(adsbygoogle = window.adsbygoogle || []).push({});

I am on problem 6, but I keep coming up with the wrong answers. I attempted this by trying to show the net forces for each box.

Box M net forces

T upwards

Mg downwards

F = T - Mg = Ma

Box 2M net forces

T upwards

T' downwards

***should I include the weight (2Mg) of this box???

Box 4M net forces

4Mg downwards

T' upwards

F = 4Mg - T' = 4Ma

I have a feeling there is an error in box 2M that is fudging with my results. Lastly, does T = 6Mg? Help??

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# Homework Help: Tension practice problem

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