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Question: learning goal to determine the maximum shear force that can...

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Learning Goal:

To determine the maximum shear force that can be applied to two shafts of varying cross sections: a solid square shaft and a hollow square shaft.

The two square cross sections shown below(Figure 1) are each subjected to a vertical shear force, V. The side length of each cross section is s = 18.0 cm and the side length of the hollowed-out portion of the second cross section is r = 5.50 cm . The maximum allowable shear stress in each member is τmax = 160 MPa .

Part A - Moment of the area A' about the neutral axis of the solid square shaft

One of the first steps in analyzing the geometry of the solid square shaft is to determine the moment of the area A’ about the neutral axis of the entire cross section. This value is denoted by Q. What is Q?(Figure 2)

Part B - Moment of the area A' about the neutral axis of the hollow square shaft

One of the first steps in analyzing the geometry of the hollow square shaft is to determine the moment of the area A’ about the neutral axis of the entire cross section. This value is denoted by Q. What is Q?(Figure 3)

Part C - Maximum applicable shear force on the solid square shaft

Determine the maximum applicable shear force on the solid square shaft, Vmax.

Part D - Maximum applicable shear force on the hollow square shaft

Determine the maximum applicable shear force on the hollow square shaft, Vmax.

Figure 2 of 3> Neutral axisFigure 3of3 〉 Neutral axis

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