Applied Mechanics and Graphic Statics A cube on a smooth horizontal surface Cannot be in stable equilibrium Cannot be in neutral equilibrium Can be in any of these states Cannot be in unstable equilibrium Cannot be in stable equilibrium Cannot be in neutral equilibrium Can be in any of these states Cannot be in unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be More than 50% None of these Less than 60% 0.5 More than 50% None of these Less than 60% 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’L-‘T0 M’^T’ M2L’T3 M’L-‘T1 M’L-‘T0 M’^T’ M2L’T3 M’L-‘T1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 1/4 1/3 4 3 1/4 1/3 4 3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 75 m/sec 90 m/sec 80 m/sec 70 m/sec 75 m/sec 90 m/sec 80 m/sec 70 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be None of these 30° 60° 45° None of these 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP