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 these forces are equal 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 the lines of action of these forces are parallel these forces are equal 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction constitute a moment constitute a moment of couple balance each other constitute a couple constitute a moment constitute a moment of couple balance each other constitute a couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Ratio of limiting friction and normal reaction 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 The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction 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 The friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of limiting friction repose friction kinematic friction limiting friction repose friction kinematic friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, - ve sense 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr hp kcal kg m kWhr hp kcal kg m ANSWER DOWNLOAD EXAMIANS APP