Strength of Materials The unit of power in S.I. units is kilogram meter/sec. newton meter watt joule kilogram meter/sec. newton meter watt joule 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 Two non-collinear parallel equal forces acting in opposite direction balance each other constitute a moment of couple constitute a couple constitute a moment balance each other constitute a moment of couple constitute a couple constitute a moment 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 are parallel 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 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 are parallel the lines of action of these forces meet in a point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Coplanar Coplanar & Meet at one point All be equal Meet at one point Coplanar Coplanar & Meet at one point All be equal Meet at one point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (d)3/-2 (b)2j-l j-2 2/-3 (d)3/-2 (b)2j-l j-2 2/-3 ANSWER DOWNLOAD EXAMIANS APP