Engineering Mechanics The efficiency of a lifting machine is the ratio of Output to the input All of these Work done by the machine to the work done on the machine Mechanical advantage to the velocity ratio Output to the input All of these Work done by the machine to the work done on the machine Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
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 None of these To every action, there is always an equal and opposite reaction 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 Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force None of these To every action, there is always an equal and opposite reaction 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. Meet Do not meet Either ‘A’ or ‘B’ None of these Meet Do not meet Either ‘A’ or ‘B’ None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mv2 0.5 mv2 0.5 mgv2 mgv2 mv2 0.5 mv2 0.5 mgv2 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A couple produces Combined translatory and rotational motion None of these Translatory motion Rotational motion Combined translatory and rotational motion None of these Translatory motion Rotational motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as Limiting friction Dynamic friction Coefficient of friction Static friction Limiting friction Dynamic friction Coefficient of friction Static friction ANSWER DOWNLOAD EXAMIANS APP
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