A beam with an overhang is loaded by a uniform load of 3 kN/m over its entire length. Moment of iner- tia $I _ { z } = 3.36 \times 10 ^ { 6 } \mathrm {~mm} ^ { 4 }$ and distances to top and bottom of the beam cross section are 20 mm and 66.4 mm,Respectively. It is known that reactions at A and B are 4.5 kN and 13.5 kN, respectively. The maximum bending Stress in the beam is approximately:

Question

A beam with an overhang is loaded by a uniform load of 3 kN/m over its entire length. Moment of iner- tia $I _ { z } = 3.36 \times 10 ^ { 6 } \mathrm {~mm} ^ { 4 }$ and distances to top and bottom of the beam cross section are 20 mm and 66.4 mm,Respectively. It is known that reactions at A and B are 4.5 kN and 13.5 kN, respectively. The maximum bending  Stress in the beam is approximately:

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The Answer of A beam with an overhang is loaded by a uniform load of 3 kN/m over its entire length. Moment of iner- tia $I _ { z } = 3.36 \times 10 ^ { 6 } \mathrm {~mm} ^ { 4 }$ and distances to top and bottom of the beam cross section are 20 mm and 66.4 mm,Respectively. It is known that reactions at A and B are 4.5 kN and 13.5 kN, respectively. The maximum bending  Stress in the beam is approximately:

A Beam with an Overhang Is Loaded by a Uniform Iz=3.36×106 mm4I _ { z } = 3.36 \times 10 ^ { 6 } \mathrm {~mm} ^ { 4 }Iz​=3.36×106 mm4

A Beam with an Overhang Is Loaded by a Uniform $I _ { z } = 3.36 \times 10 ^ { 6 } \mathrm {~mm} ^ { 4 }$