Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/2 3r/2 2r/3 r/A r/2 3r/2 2r/3 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the the friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction the friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/% 0.134 r r/2 r/A r/% 0.134 r r/2 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called post friction limiting friction frictional resistance dynamic friction post friction limiting friction frictional resistance dynamic 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 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