3. Determine the centroid of the quarter circle shown whose radius is r. (Use integration) y Yo Quarter-Circle * -Xo L

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Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.