Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 mr²/3 3mr²/5 2mr²/3 2mr²/5 mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Greater than 50% Less than 50% 1 Equal to 50% Greater than 50% Less than 50% 1 Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Change its motion Give rise to the internal stresses in it Balance the forces, already acting on it All of these Change its motion Give rise to the internal stresses in it Balance the forces, already acting on it All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A reversible machine A non-reversible machine None of these An ideal machine A reversible machine A non-reversible machine None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is 500 N None of these 100 N 20 N 500 N None of these 100 N 20 N ANSWER DOWNLOAD EXAMIANS APP
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