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Calculation Example – Calculate tension force using virtual work.
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Calculate tension force F_AC in cable AC using virtual work for the weight of 10 KN. (The equilibrium is at φ=45 degrees)

**39**times

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Calculation Example – Calculate shear stress for temperature load.
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A copper bar with a rectangular cross section is held without stress between rigid supports. The temperature of the bar is raised 50°C. Determine the maximum shear stress t. (Assume α= 17.5 x 10-6/°C and E =120 GPa.)

### Calculation Example – Calculate the moments of inertia Ix and Iy.

Determine the moments of inertia Ix and Iy of the Z section. The origin of coordinates is at the centroid.

**Solution**

### Calculation Example - Calculate the Axial Forces of the Truss Members.

**412**times

### Calculation Example – Internal forces.

### Calculation Example – Determine the magnitudes of F1,F2.

Determine the magnitudes of F1,F2 and the angle Θ so that the external forces and the external moment create a zero resultant force and moment at the wheel (Radius=3m, units KN,m, degrees).

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Calculation Example – Determine the shear force and moment.
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Determine the shear force and moment acting at a section passing through point C on the beam.