Strength of Materials The coefficient of friction depends on nature of surface area of contact strength of surfaces shape of surfaces nature of surface area of contact strength of surfaces shape of surfaces 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 The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 3 and 1 kg 2 and 5 V5 and V5 2 and V6 3 and 1 kg 2 and 5 V5 and V5 2 and V6 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a plane lamina will not be at its geometrical centre in the case of a equilateral triangle right angled triangle circle square equilateral triangle right angled triangle circle square ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a scalar quantity acceleration mass density volume acceleration mass density volume ANSWER DOWNLOAD EXAMIANS APP