An aluminum beam is made as a rectangle, 16 mm wide by 60 mm high.(a) Compute the shearing...

An aluminum beam is made as a rectangle, 16 mm wide by 60 mm high.

(a) Compute the shearing stress in the beam if it carries the load shown in Figure.

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(b) Compute the stress due to bending.

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(c) Specify a suitable aluminum for the beam to produce a design factor of 3 for either bending or shear.

FIGURE