Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mgv2 mv2 mgv2 0.5 mv2 0.5 mgv2 mv2 mgv2 0.5 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular acceleration is rad/s2 m/s2 N-m m/s rad/s2 m/s2 N-m m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (1/3) Ml² (2/3) Ml² (3/4) Ml² (1/12) Ml² (1/3) Ml² (2/3) Ml² (3/4) Ml² (1/12) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Rolling friction Limiting friction Static friction Dynamic friction Rolling friction Limiting friction Static friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Slant up towards direction of pull None of these Slant down towards direction of pull Remain horizontal Slant up towards direction of pull None of these Slant down towards direction of pull Remain horizontal ANSWER DOWNLOAD EXAMIANS APP