Strength of Materials Coefficient of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction at an angle equal to the angle of friction to the inclined plane vertically along the plane horizontally at an angle equal to the angle of friction to the inclined plane vertically along the plane horizontally 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 unit of work or energy in S.I. units is pascal newton joule watt pascal newton joule watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of metacentre the point of C.G. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of metacentre ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A cable with a uniformly distributed load per horizontal metre run will take the following shape Straight line Parabola Elliptical Hyperbola Straight line Parabola Elliptical Hyperbola ANSWER DOWNLOAD EXAMIANS APP