Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mgv2 0.5 mv2 mv2 0.5 mgv2 mgv2 0.5 mv2 mv2 0.5 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, 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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 5 40 20 10 5 40 20 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as None of these Principle of independence of forces Principle of transmissibility of forces Principle of resolution of forces None of these Principle of independence of forces Principle of transmissibility of forces Principle of resolution of forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to None of these Area of the triangle Twice the area of the triangle Half the area of the triangle None of these Area of the triangle Twice the area of the triangle Half the area of the triangle ANSWER DOWNLOAD EXAMIANS APP
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