Strength of Materials Coulomb friction is the friction between solids and liquids bodies having relative motion two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion two dry surfaces two lubricated 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Tangent of angle of friction is equal to limiting friction coefficient of friction angle of repose kinetic friction limiting friction coefficient of friction angle of repose kinetic friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied moment non-coplanar forces couple coplanar force moment non-coplanar forces couple coplanar force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the 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 ratio of limiting friction and normal reaction the friction force acting when the body is in motion 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 ratio of limiting friction and normal reaction the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces. forces independence of forces balance of force resolution of forces. forces independence of forces balance of force ANSWER DOWNLOAD EXAMIANS APP