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 Concurrent parallel Parallel None of these Concurrent Concurrent parallel Parallel ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be 5 m/sec 10 m/sec None of these Zero 5 m/sec 10 m/sec None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cotα/g 2u tanα/g 2u cosα/g 2u sinα/g 2u cotα/g 2u tanα/g 2u cosα/g 2u sinα/g ANSWER DOWNLOAD EXAMIANS APP
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 0.65 0.75 0.7 0.6 0.65 0.75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 8.3 m/sec 7.3 m/sec 6.3 m/sec 9.3 m/sec 8.3 m/sec 7.3 m/sec 6.3 m/sec 9.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS