Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.7 0.6 0.75 0.65 0.7 0.6 0.75 0.65 ANSWER DOWNLOAD EXAMIANS APP
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 non-concurrent force system to be in equilibrium Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these Both (A) and (B) That resultant couple must be zero That polygon of forces must close None of these Both (A) and (B) That resultant couple must be zero That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 8 sec 10 sec 5 sec 20 sec 8 sec 10 sec 5 sec 20 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is 2 t 1 t 3 t 3.5 t 2 t 1 t 3 t 3.5 t ANSWER DOWNLOAD EXAMIANS APP
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