Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (d)3/-2 j-2 2/-3 (b)2j-l (d)3/-2 j-2 2/-3 (b)2j-l 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 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 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 The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is double same four times half double same four times half ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of moments the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent produce moment of a couple balance each other cannot balance each other are equivalent produce moment of a couple balance each other cannot balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 3 and 1 kg V5 and V5 2 and 5 2 and V6 3 and 1 kg V5 and V5 2 and 5 2 and V6 ANSWER DOWNLOAD EXAMIANS APP