Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point in their plane is zero 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 Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero 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 Their lines of action are at equal distances ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Electrical energy Heat energy Kinetic energy Strain energy Electrical energy Heat energy Kinetic energy Strain energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 β/2 30° + β/2 45° + β/2 60° + β/2 β/2 30° + β/2 45° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of moment of inertia of an area is kg-m2 kg/m2 m4 kg-m-s2 kg-m2 kg/m2 m4 kg-m-s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Potential energy only Kinetic energy of translation and rotation both Kinetic energy of rotation only Kinetic energy of translation only Potential energy only Kinetic energy of translation and rotation both Kinetic energy of rotation only Kinetic energy of translation only ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 8 4 20 16 8 4 20 16 ANSWER DOWNLOAD EXAMIANS APP