Strength of Materials Dynamic friction as compared to static friction is more same may be less of more depending on nature of surfaces and velocity less more same may be less of more depending on nature of surfaces and velocity less ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for stability of floating bodies designing safe structures determining stresses in the truss reducing the problem of kinetics to equivalent statics problem stability of floating bodies designing safe structures determining stresses in the truss reducing the problem of kinetics to equivalent statics problem ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve elliptical parabola catenary hyperbola elliptical parabola catenary hyperbola 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 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 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 All be equal Meet at one point Coplanar & Meet at one point Coplanar All be equal Meet at one point Coplanar & Meet at one point Coplanar ANSWER DOWNLOAD EXAMIANS APP
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 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 positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero 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 positive and negative couples can be balanced ANSWER DOWNLOAD EXAMIANS APP