Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of power are. M’L’T3 M’L’r2 M’L-‘T* M’L2T2 M’L’T3 M’L’r2 M’L-‘T* M’L2T2 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 4 3 1/4 1/3 4 3 1/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 5.0 cm 7.5 cm 8.75 cm 7.85 cm 5.0 cm 7.5 cm 8.75 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately 500 watts 400 watts None of these 4000 watts 500 watts 400 watts None of these 4000 watts ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is 188.5 m/sec 18.85 m/sec 0.18845 m/sec 1.885 m/sec 188.5 m/sec 18.85 m/sec 0.18845 m/sec 1.885 m/sec ANSWER DOWNLOAD EXAMIANS APP