Strength of Materials If a number of forces act simultaneously on a particle, it is possible Not a replace them by a single force To replace them by a couple To replace them by a single force To replace them by a single force through C.G. Not a replace them by a single force To replace them by a couple To replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for reducing the problem of kinetics to equivalent statics problem determining stresses in the truss stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss stability of floating bodies designing safe structures ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth the floor is smooth, the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface proportional to normal load between the surfaces proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction constitute a couple constitute a moment balance each other constitute a moment of couple constitute a couple constitute a moment balance each other constitute a moment of couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in one plane different planes perpendicular planes one point one plane different planes perpendicular planes one point ANSWER DOWNLOAD EXAMIANS APP
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