A thin-walled, cantilever beam supports shear loads at its free end as shown in Figure Q3.1. Cross-section dimensions are shown in Figure Q3.1 as well. Assume that the shear loads are such that no twisting of the beam occurs. All the panels have thickness 2 mm besides for flange 6-7-8 that has thickness 3 mm. 50 mm 200 N 50 mm 1 8 50 mm 2 4 3 6 400 N X 1000 mm

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A: shifting the x axis to point 2  we get the equation of parabola as y=x2   =   =12∫03 x4 dx∫03 x2 dx…

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A:

Q: Home work Find the centroid of the area shown, assuming a=15 mm. y 12 mm L 8 mm r-6 mm 3 mm ri-2 mm…

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A:

Q: Q4 1.50 centroid

A: Here we divide the composite shape into  simple elements as shown in the figure.

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Q: -4 in.- a 5 in. 11 in. 2 in. X

A:

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.