Problem 5 Determine the reaction forces at the joints and the external torque applied to input...
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Problem 5 Determine the reaction forces at the joints and the external torque applied to input link 2 of the four-bar linkage in the posture shown. For the constant angular velocity w2 = 180 rad/s, the known kinematics are 3 = 4950 rad/s/s, 4 = -8900 rad/s/s, AG3 = 6320 + 750j ft/s/s, and AG4 = 2280+ 750j ft/s/s. 36.9 2 02, G B 4 G4 53.1 RAO2 = 3 in, R0402 = 7 in, RBA = 8 in, RBO4 = 6 in, RG3A = 4 in, and RG404 = 3 in, The weights and mass moments of inertia of the links are w3 = 0.708 lb, w4 = 0.780 lb, IG2 = 0.0258 in lbs S, IG3 = 0.015 4 in lb s s, and IG4 = 0.011 2 in lb s s . . Problem 5 Determine the reaction forces at the joints and the external torque applied to input link 2 of the four-bar linkage in the posture shown. For the constant angular velocity w2 = 180 rad/s, the known kinematics are 3 = 4950 rad/s/s, 4 = -8900 rad/s/s, AG3 = 6320 + 750j ft/s/s, and AG4 = 2280+ 750j ft/s/s. 36.9 2 02, G B 4 G4 53.1 RAO2 = 3 in, R0402 = 7 in, RBA = 8 in, RBO4 = 6 in, RG3A = 4 in, and RG404 = 3 in, The weights and mass moments of inertia of the links are w3 = 0.708 lb, w4 = 0.780 lb, IG2 = 0.0258 in lbs S, IG3 = 0.015 4 in lb s s, and IG4 = 0.011 2 in lb s s . .
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