Unformatted text preview: . ) 2 ( 2 2 h l x xh F +-= τ This form shows that there are two aspects to increasing the torque; maximizing the lever arm l and maximizing sin . φ Differentiating with respect to x and setting equal to zero gives max x ). ) 2 ( 1 )( 2 ( 2 l h l + = This will be the point at which to attach the string unless h 2 > l , in which case the string should be attached at the furthest point to the right, . l x =...
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- lever, Archimedes, Simple machine, mechanical advantage, lever arm