30 4 kN 4 kN 30°, B 1.25 m 1.25 m

7-1. The shaft is supported by a smooth thrust bearing at B and a journal bearing at C. Determine the resultant internal loadings acting on the cross section at E. 1800 N 3600 N

Determine the bending moment of point D. The supports at A and B are journal bearings. Supply the answer in kilonewton-meters. 2 kN/m C D -600 mm- 450 mm- 300 mm

The moment acting on the cross section of the beam is M= 3.5 kip⋅ft. Determine the maximum bending stress in the beam.

*11-76. Determine the absolute maximum bending stress in the tubular shaft if de - 160mm and d. - 200 mm. 15 kN /m 60 kN m -3m

The tapered beam supports the concentrated force P at its center. Determine the absolute maximum bending stress in the beam. The reactions at the supports are vertical.

Determine the absolute maximum bending stress in the tubular shaft if di = 160 mm and do = 200 mm

*11-48. The beam is made from three boards nailed together as shown. If the moment acting on the crass section is M= G00 N - m, determine the resultant force the bending stress produces on the top board 25 mm 150 mm -20 mm 200 mim M- 600 Nm 20

I1-62. The shaft is supported by smooth journal bearings at A and B that only exert vertical reactions on the shaft. If d = 90 mm, determine the absolute maximum bending stress in the beam, and sketch the stress distribution acting over the cros sectioan. 12 kN/m 15m

If the beam is subjected to a moment of M = 45 kN # m, determine the maximum bending stress in the A-36 steel section A and the 2014-T6 aluminum alloy section B.