Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/8 v v/2 v/4 v/8 v v/2 v/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Momentum None of these Velocity Acceleration Momentum None of these Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Mechanical advantage to the velocity ratio Output to the input Work done by the machine to the work done on the machine All of these Mechanical advantage to the velocity ratio Output to the input Work done by the machine to the work done on the machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of moment of inertia of an area is kg-m-s2 kg/m2 kg-m2 m4 kg-m-s2 kg/m2 kg-m2 m4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is db³/36 bd³/36 db³/12 bd³/12 db³/36 bd³/36 db³/12 bd³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 7mr²/5 2mr²/3 7mr²/3 2mr²/5 7mr²/5 2mr²/3 7mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP