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QUESTION 1 a) Calculate the position of the neutral axis and the value of the second moment of the beam with a cross section as shown in Figure 1(a). -216 mm- C 72 mm Figure 1(a) b) If the beam of cross-sectional area Figure 1(a) that simply supported at both ends carries a uniformly distributed load, 1.5 kN/m along its 2m length. Determine the maximum tensile and maximum compressive stresses. 36 mm 108 mm

QUESTION 1 a) Calculate the position of the neutral axis and the value of the second moment of the beam with a cross section as shown in Figure 1(a). -216 mm- C 72 mm Figure 1(a) b) If the beam of cross-sectional area Figure 1(a) that simply supported at both ends carries a uniformly distributed load, 1.5 kN/m along its 2m length. Determine the maximum tensile and maximum compressive stresses. 36 mm 108 mm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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QUESTION 1 a) Calculate the position of the neutral axis and the value of the second moment of the beam with a cross section as shown in Figure 1(a). -216 mm- 72 mm Figure 1(a) b) If the beam of cross-sectional area Figure 1(a) that simply supported at both ends carries a uniformly distributed load, 1.5 kN/m along its 2m length. Determine the maximum tensile and maximum compressive stresses. 36 mm 108 mm QUESTION 2 a) A solid shaft of 50 mm diameter is subjected to 10 kNm torque. Determine the shear stress and angle of twist if its length is 2m. Given the rigidity of modulus is 90 GN/m². b) A solid steel shaft 5 m long with a shear stress of 80 MN/m² when twisted through an angle 4º. Given G= 83 GN/m², determine: i. The shaft diameter i. The power that can be transmitted by the shaft at 20 rpm.
Transcribed Image Text:QUESTION 1 a) Calculate the position of the neutral axis and the value of the second moment of the beam with a cross section as shown in Figure 1(a). -216 mm- 72 mm Figure 1(a) b) If the beam of cross-sectional area Figure 1(a) that simply supported at both ends carries a uniformly distributed load, 1.5 kN/m along its 2m length. Determine the maximum tensile and maximum compressive stresses. 36 mm 108 mm QUESTION 2 a) A solid shaft of 50 mm diameter is subjected to 10 kNm torque. Determine the shear stress and angle of twist if its length is 2m. Given the rigidity of modulus is 90 GN/m². b) A solid steel shaft 5 m long with a shear stress of 80 MN/m² when twisted through an angle 4º. Given G= 83 GN/m², determine: i. The shaft diameter i. The power that can be transmitted by the shaft at 20 rpm.
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