4) Shafts with lengths 5m and4 m are connected by gears. The diameter and shear modulus for both shafts are 10 cm and 160 GPa If the torque at gear D is 5 kN.m, calculate the following; a)Internal torques of the shafts b)Angles of twist for shafts c) Rotation angles of gears B, C and D 5m 4m 72 teeth 108 teeth D

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