Strength of Materials Frictional force encountered after commencement of motion is called dynamic friction frictional resistance limiting friction post friction dynamic friction frictional resistance limiting friction post friction 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 10 kg, + ve sense 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of second order third order zeioth order first order second order third order zeioth order first order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in one point plane perpendicular planes two points one point plane perpendicular planes two points 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 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is 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 Different at different points in its line of action ANSWER DOWNLOAD EXAMIANS APP
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