Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor and wall both are rough sur-faces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction the friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction the friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 2L/3 3L/4 L/3 L/2 2L/3 3L/4 L/3 L/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for designing safe structures determining stresses in the truss reducing the problem of kinetics to equivalent statics problem stability of floating bodies designing safe structures determining stresses in the truss reducing the problem of kinetics to equivalent statics problem stability of floating bodies ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is newton joule watt pascal newton joule watt pascal ANSWER DOWNLOAD EXAMIANS APP