Strength of Materials Forces are called coplanar when all of them acting on body lie in perpendicular planes one plane one point different planes perpendicular planes one plane one point different planes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. point of suspension the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. point of suspension the point of metacentre ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-third of the total height above base three-eighth of the total height above the base one-half of the total height above base one-fourth of the total height above base one-third of the total height above base three-eighth of the total height above the base one-half of the total height above base one-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied couple non-coplanar forces moment coplanar force couple non-coplanar forces moment coplanar force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the 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 the 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 the limiting friction The friction force acting when the body is in motion Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP