Strength of Materials According to principle of moments 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 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 their algebraic sum is zero 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 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 their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Tangent of angle of friction is equal to limiting friction angle of repose coefficient of friction kinetic friction limiting friction angle of repose coefficient of friction kinetic friction 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 j-2 (b)2j-l 2/-3 (d)3/-2 j-2 (b)2j-l 2/-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 L/3 L/2 2L/3 3L/4 L/3 L/2 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 n-l 2n-l n-2 2n-3 n-l 2n-l n-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is joule watt pascal newton joule watt pascal newton ANSWER DOWNLOAD EXAMIANS APP