Strength of Materials

Q1: If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to (where M = Bending moment)

A M

B M2

C M

D M3

ANS:A - M

A beam of uniform strength means the load is uniform (depending on the area the load is applied i.e, if the area is minimum the load applied is minimum and if the area is maximum the load applied is maximum)

The main aim of a beam of uniform strength is to reduce cost and make economical beams.

Width varies directly proportional to M.

Uvl width =wx/L.
Udl width=wL.
Point load/concentrated load=w.



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