= The cross-section of a wooden, built-up beam is shown below. The dimensions are L w = 20 mm. (Figure 1) Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress of op = 40 MPa at point D. Also calculate the maximum stress developed in the beam. The moment Mis applied in the vertical plane about the geometric center of the beam. Express your answers, separated by a comma, to three significant figures. ►View Available Hint(s) M=, Omax – ΑΣΦΗ|1 vec H 180 mm and ? kN-m, MPa

= The cross-section of a wooden, built-up beam is shown below. The dimensions are L w = 20 mm. (Figure 1) Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress of op = 40 MPa at point D. Also calculate the maximum stress developed in the beam. The moment Mis applied in the vertical plane about the geometric center of the beam. Express your answers, separated by a comma, to three significant figures. ►View Available Hint(s) M=, Omax – ΑΣΦΗ|1 vec H 180 mm and ? kN-m, MPa

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

The cross-section of a wooden, built-up beam is shown below. The dimensions are L 180 mm and
w = 20 mm.
(Figure 1)
Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress
of ap 40 MPa at point D. Also calculate the maximum stress developed in the beam. The moment Mis
applied in the vertical plane about the geometric center of the beam.
Express your answers, separated by a comma, to three significant figures.
▸ View Available Hint(s)
M = max
—| ΑΣΦ
↓
f
t
O
(
kN-m, MPa

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