Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is (i) 5000 Nm (ii) 5000 kg.m (iii) 5000 J All (i), (ii) and (iii) Both (ii) and (iii) Both (i) and (iii) Only (ii) All (i), (ii) and (iii) Both (ii) and (iii) Both (i) and (iii) Only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° Algebraic sum of the resolved parts of the forces in the direction Arithmetical sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° Algebraic sum of the resolved parts of the forces in the direction Arithmetical sum of the resolved parts of the forces in the direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with internal forces acting on it Isolated joint with all the forces, internal as well as external, acting on it None of these Isolated joint with only body forces acting on it Isolated joint with internal forces acting on it Isolated joint with all the forces, internal as well as external, acting on it None of these Isolated joint with only body forces acting on it ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) 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 Zero None of these 10 m/sec 5 m/sec Zero None of these 10 m/sec 5 m/sec ANSWER DOWNLOAD EXAMIANS APP