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 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of distance ? millimeter milestone angstrom light year millimeter milestone angstrom light year ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Meet at one point Coplanar & Meet at one point All be equal Coplanar Meet at one point Coplanar & Meet at one point All be equal Coplanar ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces independent of the area of contact surfaces proportional to velocity of sliding dependent on the materials of contact surface proportional to normal load between the surfaces independent of the area of contact surfaces proportional to velocity of sliding dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a single force To replace them by a single force through C.G. To replace them by a couple Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. To replace them by a couple Not a replace them by a single force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is kilogram watt newton dyne kilogram watt newton dyne ANSWER DOWNLOAD EXAMIANS APP