W W I M

M1 M2 V1 V2

Mi M2 V1 V2

(wL2/12)[3n(2 - r2)/(4 - r^)] (wL2/12)[3r2(2 - n)/(4 - r^)] (Mi + M2)/L + wL/2 -(Mi + M2)/L + wL/2

(wL2/30)[n(7 - 4r2)/(4 - r^)] (wL2/60)[r2(16 - 7n)/(4 - r^)] (M1 + M2)/L + wL/6 - (M1 + M2)/L + wL/3

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