A beam is made from a rectangle bar of width 140mm and depth of 80mm, at the centroid of the bar a hole is drilled of 40mm diameter as shown in the diagram. Use the "void" technique to find the second moment of area. State your answer to 3 sig. fig. in terms of ×106 mm². 80 mm 140 mm 40 mm

A beam is made from a rectangle bar of width 140mm and depth of 80mm, at the centroid of the bar a hole is drilled of 40mm diameter as shown in the diagram. Use the "void" technique to find the second moment of area. State your answer to 3 sig. fig. in terms of ×106 mm². 80 mm 140 mm 40 mm

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.16P: Figure (a) shows the cross-sectional dimensions for the structural steel section known as C1020...

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Question

A beam is made from a rectangle bar of width 140mm
and depth of 80mm, at the centroid of the bar a hole is
drilled of 40mm diameter as shown in the diagram. Use
the "void" technique to find the second moment of area.
State your answer to 3 sig. fig. in terms of ×106 mm².
80 mm
140 mm
40 mm

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