Strength of Materials If a rigid body is in equilibrium under the action of three forces, then 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 meet in a point & the lines of action of these forces are parallel 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 meet in a point & the lines of action of these forces are parallel these forces are equal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction at an angle equal to the angle of friction to the inclined plane horizontally along the plane vertically at an angle equal to the angle of friction to the inclined plane horizontally along the plane vertically ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body balance each other cannot balance each other are equivalent produce moment of a couple balance each other cannot balance each other are equivalent produce moment of a couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the the friction force acting when the body is just about to move the friction force acting when the body is in motion ratio of limiting friction and normal reaction angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is just about to move the friction force acting when the body is in motion ratio of limiting friction and normal reaction angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between bodies having relative motion solids and liquids two dry surfaces two lubricated surfaces bodies having relative motion solids and liquids two dry surfaces two lubricated surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called frictional resistance dynamic friction post friction limiting friction frictional resistance dynamic friction post friction limiting friction ANSWER DOWNLOAD EXAMIANS APP