Engineering Mechanics According to Newton's first law of motion, Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts To every action, there is always an equal and opposite reaction None of these Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts To every action, there is always an equal and opposite reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be 1 Equal to 50% Less than 50% Greater than 50% 1 Equal to 50% Less than 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a particle round a fixed axis is Translatory as well as rotary Rotary Circular Translatory Translatory as well as rotary Rotary Circular Translatory ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Zero at its upper end Perpendicular to the wall at its upper end Downward at its upper end Upward at its upper end Zero at its upper end Perpendicular to the wall at its upper end Downward at its upper end Upward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the third system of pulleys is n 2n - 1 n² 2n n 2n - 1 n² 2n ANSWER DOWNLOAD EXAMIANS APP
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