Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line (i) and (iii) (i) and (ii) All (i), (ii) and (iii) Only (i) (i) and (iii) (i) and (ii) All (i), (ii) and (iii) Only (i) 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) r 1/r log r r2 r 1/r log r r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following is a scalar quantity? Momentum Torque Energy Impulse Momentum Torque Energy Impulse ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by T = g(M1 + M2)/(M1 × M2) T = g(M1 - M2)/(M1 + M2) T = g(M2 + M1)/(M2 - M1) T = g(M2 - M1)/(M1 + M2) T = g(M1 + M2)/(M1 × M2) T = g(M1 - M2)/(M1 + M2) T = g(M2 + M1)/(M2 - M1) T = g(M2 - M1)/(M1 + M2) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces 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 None of these Concurrent parallel Parallel Concurrent None of these Concurrent parallel Parallel Concurrent ANSWER DOWNLOAD EXAMIANS APP