Engineering Mechanics Non-coplanar concurrent forces are those forces which Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be √2.g g 2g g/2 √2.g g 2g g/2 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 algebraic sum is zero Their lines of action are at equal distances 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 algebraic sum is zero Their lines of action are at equal distances 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 When a body falls freely under gravitational force, it possesses __________ weight. Minimum Maximum None of these No Minimum Maximum None of these No ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 180° and 0° 90° and 180° 0° and 180° 90° and 0° 180° and 0° 90° and 180° 0° and 180° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₂ + u₁)/(v₂ + v₁) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP