A wood beam carries the loading shown in the figure. Determine the smallest allowable width b of the beam if the working stress in bending is 12 MPa. 5kN Cross-section b w = 3 kN/m 1m 200mm 2m 1m

Q: 1. Det.moment of inertia. Y 3" r= 3" 4" 1" 2"

A:

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A: Given: AB →= 4 i→+3 j→-1 k→AC →= 5 i→-1 j→+3 k→

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A: Option C is correct Two

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A: The diagram given in the question is as follows:

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A: Given:Required:Resultant force and it's location from B on AB

Beams and Frames

A beam is a horizontal structure or a member which is always subjected to transverse shear loads.