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Unformatted text preview: posture and have a better sense about acting muscles and forces on your back. Use your body dimensions whenever necessary if you are trying to perform any calculations Clarify any assumptions you made for the formulation of the problem Define clearly any length or dimension used in your equations You may want to use figure P1.22 C when the major muscle acting in lifting is the back muscle. There is no right or wrong answer to this problem, and your answer will be marked based on your ability to formulate a real life problem and describing your assumptions and justifications for the way that you formulated the problem. 100 N 200 N =60 3 3 3 A B...
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 Spring '06
 MIRNAJAFIZADEH

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