Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.4 R 0.2 R 0.6 R 0.3 R 0.4 R 0.2 R 0.6 R 0.3 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Concurrent Concurrent parallel None of these Parallel Concurrent Concurrent parallel None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r2 1/r r log r r2 1/r r log r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Total no of instantaneous centers of a machine having ‘n’ links, is (n - 1) n (n - 1)/2 n/2 n (n - 1) n (n - 1)/2 n/2 n ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of None of these One-fourth of the total height above base One-third of the total height above base One-half of the total height above base None of these One-fourth of the total height above base One-third of the total height above base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Does not move at all Rotates Moves with variable velocity in a straight line Moves along a curved path Does not move at all Rotates Moves with variable velocity in a straight line Moves along a curved path ANSWER DOWNLOAD EXAMIANS APP