The shear force at apoint on a beam is the algebraic __________ of all the forces on either side of the point.
Options
A. sum
B. difference
Correct Answer
sum
Strength of Materials problems
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1. The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.
5. If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then
Options
A. the material A is more ductile than material B
B. the material B is more ductile than material A
C. the ductility of material A and B is equal
D. the material A is brittle and material B is ductile
Correct Answer: uniformly varying load between the two points
7. The bending moment of a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is __________ at the fixed end.