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 10 kg, – ve sense 20 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense 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 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 are parallel 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 meet in a point & the lines of action of these forces are parallel these forces are equal the lines of action of these forces meet in a point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction constitute a couple constitute a moment of couple balance each other constitute a moment constitute a couple constitute a moment of couple balance each other constitute a moment ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in full equilibrium non-equilibrium partial equilibrium unpredictable full equilibrium non-equilibrium partial equilibrium unpredictable ANSWER DOWNLOAD EXAMIANS APP
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