Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/10 4mr²/5 2mr²/5 3mr²/5 3mr²/10 4mr²/5 2mr²/5 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) v2 = u2 + 2a.s All of these v = u + a.t s = u.t + ½ a.t2 v2 = u2 + 2a.s All of these v = u + a.t s = u.t + ½ a.t2 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 100 N 500 N None of these 20 N 100 N 500 N None of these 20 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Does not change None of these Change Changes periodically Does not change None of these Change Changes periodically ANSWER DOWNLOAD EXAMIANS APP
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