Strength of Materials The center of gravity of a triangle lies at the point of Intersection of bisector of angles Intersection of diagonals Intersection of its altitudes Concurrence of the medians Intersection of bisector of angles Intersection of diagonals Intersection of its altitudes Concurrence of the medians ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Coplanar & Meet at one point Coplanar Meet at one point All be equal Coplanar & Meet at one point Coplanar Meet at one point All be equal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Produce a moment of couple Balance each other Produce a couple and an unbalanced force Are equivalent Produce a moment of couple Balance each other Produce a couple and an unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a rigid body is in equilibrium under the action of three forces, then these forces are equal 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 the lines of action of these forces meet in a point these forces are equal 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 the lines of action of these forces meet in a point 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 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 20 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
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