Strength of Materials A number of forces acting at a point will be in equilibrium if Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Their total sum is zero Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between solids and liquids bodies having relative motion two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion two dry surfaces two lubricated surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a single force through C.G. To replace them by a single force To replace them by a couple Not a replace them by a single force To replace them by a single force through C.G. To replace them by a single force To replace them by a couple Not a replace them by a single force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either be all parallel at least two of them must meet meet in a point All of the listed here be all parallel at least two of them must meet meet in a point All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces meet in a point these forces are equal the lines of action of these forces are parallel the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces meet in a point these forces are equal the lines of action of these forces are parallel the lines of action of these forces meet in a point & the lines of action of these forces are parallel ANSWER DOWNLOAD EXAMIANS APP
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