Analytical Mech Homework Solutions 120

Analytical Mech Homework Solutions 120 - 18 I= ml 2 + ml 2...

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18 18 2 2 3 ml I ml ′′ =+ () 1 2 2 2 1 21c o s 23 ml ml vg m lm l θ   =− ++     DD 8.25 The effect of rod BC acting on rod AB is impulse + ˆ P . The effect of AB on BC is ˆ P . 1 ˆˆ mv P P = + 2 ˆ mv P = − ( 1 2 l ) I PP ω =− 2 ˆ 2 l I P 2 12 ml I = ( 1 6 ml ) 2 6 ˆ P ml 11 2 B l vv 22 2 B l 6 2 B PP l vP mm l + P ˆ 6 ˆ 2 B Pl l + ˆ ˆ 33 P P +− − = −− 82 ′ = ˆ ˆ 4 P P = 1 ˆ 5 4 P m = v 2 ˆ 4 P v m 1 ˆ 9 2 P ml = 2 ˆ 3 2 P ml ˆ B P v m = − -----------------------------------------------------------------------------------------------------------
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