mechanical eng homework 123

mechanical eng homework 123 - = 100lb. O 2...

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Homework - 122 ME 431 Homework Find the external torque (T 12 ) that must be applied to link 2 of the mechanism illustrated below in order to drive it at ϖ 2 =210 rad/sec and α 2 =0 rad/sec 2 . For the force polygon, use a scale of 1 in.
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Unformatted text preview: = 100lb. O 2 A=3" W 3 = 3.4 lb a 3 =7670 rad/sec 2 (ccw) AB= 12" W 4 = 2.86 lb a B =-7850 i ft/s 2. I G3 = 0.1085 lb-sec 2-in a G3 = -7820 i- 4876 j ft/sec 2 O 2 G 2 A B G 3 G 4 2 3 4 Scale: 1" = 5"...
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