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 product of either force of couple with the arm of the couple is called moment of the forces resulting couple resultant couple moment of the couple moment of the forces resulting couple resultant couple moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on strength of surfaces area of contact shape of surfaces nature of surface strength of surfaces area of contact shape of surfaces nature of surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a scalar quantity acceleration density volume mass acceleration density volume mass ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the the friction force acting when the body is in motion the friction force acting when the body is just about to move ratio of limiting friction and normal reaction angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion the friction force acting when the body is just about to move ratio of limiting friction and normal reaction angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as water density of metal can’t be determined metal will float in water metal is twice as dense as unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water metal is twice as dense as unknown fluid ANSWER DOWNLOAD EXAMIANS APP