Question on strength of materials asked at a phd interview

chiraganand

Chet: as you said because its unsymmetric as two materials are used i get it that it will bend but will the positioning of the different metals make a difference to the bending?

Chestermiller

Sure it will make a difference. Just calculate the bending moment to see which way it will bend. If you switch the two materials (assuming equal thicknesses) the bending moment will switch signs.

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chiraganand	Question on strength of materials asked at a phd interview Chet: as you said because its unsymmetric as two materials are used i get it that it will bend but will the positioning of the different metals make a difference to the bending?

Chestermiller Recognitions: Gold Member	Sure it will make a difference. Just calculate the bending moment to see which way it will bend. If you switch the two materials (assuming equal thicknesses) the bending moment will switch signs.