Please define moment of arm (regarding physics) in a way I can understand. it is referring...

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Physics

Please define moment of arm (regarding physics) in a way I canunderstand. it is referring to the arm on a mousetrap car that wasbuilt. I need to discuss its effectiveness

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A moment arm is simply the length between a joint axis and the line of force acting on that joint Every joint that is involved in an exercise has a moment arm The longer the moment arm is the more load will be applied to the joint axis through leverage Part of the gearing system of a mousetrap racers is the lever arm Changing the length of a mouse traps snapper or lever arm is how you control a mousetrap vehicles acceleration andor travel    See Answer
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