Strength of Materials
D Alembert’s principle is used for

reducing the problem of kinetics to equivalent statics problem
determining stresses in the truss
designing safe structures
stability of floating bodies

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
In the equation of virtual work, following force is neglected

All of the listed here
reaction of a rough surface of a body which rolls on it without slipping
reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
reaction of any smooth surface with which the body is in contact

ANSWER DOWNLOAD EXAMIANS APP