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 According to principle of transmissibility of forces, the effect of a force upon a body is Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is newton watt kilogram dyne newton watt kilogram dyne 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 The C.G. of a right circular solid cone of height h lies at the following distance from the base h/6 J/3 h/4 h/2 h/6 J/3 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the lever of third order, load W, effort P and fulcrum F are oriented as follows F between W and P W between P and F W, P and F all on one side P between W and F F between W and P W between P and F W, P and F all on one side P between W and F ANSWER DOWNLOAD EXAMIANS APP