The shaft is supported at its ends by two bearings A and B and is subjected to the forces applied to the pulleys fixed to the shaft. Determine the resultant internal loadings acting on the cross section at point D. The 400-N forces act in the -z direction and the 200-N and 80-N forces act in the +y direction. The journal bearings at A and B exert only y and z components of force on the shaft.

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400 mm 150 mm 150 mm 200 mm 200 mm 300 mm 80 N 80 N 200 N A 200 N 400 NV 400 N