Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 75 and 75 50 and 50 50 and 75 75 and 50 75 and 75 50 and 50 50 and 75 75 and 50 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 Is equal to the sum of their velocities of approach Bears a constant ratio to their velocity of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach Is equal to the sum of their velocities of approach Bears a constant ratio to their velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at Mid span None of these Supports Quarter span Mid span None of these Supports Quarter span ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/time Work × time Work/distance Work/energy Work/time Work × time Work/distance Work/energy ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Horizontal component of velocity remains constant Vertical component of velocity remains constant Speed of the ball remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Vertical component of velocity remains constant Speed of the ball remains constant Kinetic energy of the ball remains constant ANSWER DOWNLOAD EXAMIANS APP
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