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 kilogram watt dyne newton kilogram watt dyne 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 dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding 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 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 Effect of a force on a body depends upon All of the listed here position or line of action direction magnitude All of the listed here position or line of action direction magnitude ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth gravitational force of attraction towards the centre of the earth. ANSWER DOWNLOAD EXAMIANS APP