Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple 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 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 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 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is 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. point of suspension the point of metacentre 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. point of suspension the point of metacentre ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Moment of a force and angular momentum Torque and energy Torque and work Momentum and impulse Moment of a force and angular momentum Torque and energy Torque and work Momentum and impulse 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 repose friction kinematic friction limiting friction repose friction kinematic friction limiting friction ANSWER DOWNLOAD EXAMIANS APP