Biomechanics Help: Solving Equations

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The discussion focuses on solving a biomechanics problem involving angular momentum, specifically related to forces acting on joints. The key equation presented is Fm = (Fn * Rw) / Rm, which the poster is uncertain about. The poster suggests identifying all forces and their distances from the knee joint, noting that these forces pull in different directions and can be simplified into one comprehensive equation. The overall goal is to clarify the relationships between these forces and their impact on the joint mechanics. Understanding these concepts is crucial for accurately addressing the problem at hand.
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Homework Statement



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Homework Equations


Fm= (Fn*Rw)/Rm





The Attempt at a Solution



honestly i have no idea where to even start for this, the equation i gave is probably way off but as i said, i have no idea.
 
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This seems an angular momentum (terminology might be lacking in me) problem as you have joints, weights and their respective distances from the joints.

First identify all Forces and thei respective distances from the main join (knee). All have a direction of pulling and cancel each other out, so one big equation will suffice.
 

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