A beam has a bending moment of 3.5 kN-m applied to a section with a hollow circular cross-section of external diameter 3 cm and internal diameter 2.3 cm . The modulus of elasticity for the material is 210 x 109 N/m2. Calculate the radius of curvature and maximum bending stress. Also, calculate the stress at the point at 0.6 cm from the neutral axis (i) The moment of inertia in (mm^4)=  ii) The radius of curvature in (mm) = (iii) The maximum bending stress  in (N/mm^2)=

Find the maximum bending moments in the X and Y directions. Given: depth, h=152mm width, w=152mm Web Thickness, WL=5.8 mm Flag Thickness, FT=6.6 mm Area, A=28.6 cm^2 Weight, W=22.5kgm Moment of Inertia Ix=1206 cm^4 ly=386.6 cm^4 Elastic Section Modulus Sx=158.6 cm^3 Sy=50.9 cm^3

An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 600 mm. The cross-sectional dimensions of the beam are b₁ = 36 mm, d₁ = 112 mm, b₂ = 22 mm, d₂ = 22 mm, and a = 7 mm. For this material, the allowable tensile bending stress is 15 MPa, and the allowable compressive bending stress is 9 MPa. Determine the largest moment M that can be applied as shown to the beam. b₂ ak ak ✓ a M B L A Answer: M = i N•m d₂

consider a beam with two 60-inch-long rods. The rods have a cross section area of 0.50 in 2 . Find the axial stress in each rod, draw the shear and moment diagrams for the beam, and find the maximum stress in the beam.

The Figure shows a loading set up similar to that of the 'Bending in Beams' laboratory experiment. E = 200 GNm"2 and I = 2 x 109 m“. The bending moment and the radius of curvature at any point in the beam between the support points B and C are respectively: 1 kN 1 kN B 0.125 m 1.25 m O a. (-)125 Nm, 1.2 m O b.(-)12.5 kNm, 2.8 m O C. (-)2.5 kNm, 2.4 m O d.(-)125 Nm, 3.2 m

The bending moment in a horizontally placed beam at distance x from one of the ends is given by the expression M = 13x - 3x - 12 . The shear force in the beam is zero at, O a. x = 7.12 O b.x = 3 and x = 1.33 O C. X = 2.16 O d. Need more data and a figure to solve the problem.

A simply supported beam of hollow rectangular cross section is 100mm deep and 60mm wide with a wall thickness of 10mm. The beam has a span of 6m and carries a load as shown . Neglecting the weight of the beam draw a bending moment diagram and calculate the maximum bending moment. And determine the maximum bending stress in the material.

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