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 is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces the floor is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are smooth surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent balance each other cannot balance each other produce moment of a couple are equivalent balance each other cannot balance each other produce moment of a couple 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. gravitational pull exerted by the earth centripetal force of earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. gravitational pull exerted by the earth centripetal force of earth force of attraction experienced by par-ticles ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of metacentre point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. the point of metacentre point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 3 and 1 kg 2 and V6 V5 and V5 2 and 5 3 and 1 kg 2 and V6 V5 and V5 2 and 5 ANSWER DOWNLOAD EXAMIANS APP