Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mgv2 0.5 mgv2 mv2 0.5 mv2 mgv2 0.5 mgv2 mv2 0.5 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.5 r 0.6 r 0.8 r 0.7 r 0.5 r 0.6 r 0.8 r 0.7 r 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 (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) (u₂ + u₁)/(v₂ + v₁) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.) MS/4 None of these MS/5 MS/3 MS/4 None of these MS/5 MS/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height One third of the total height above base One fourth of the total height above base Three eighth of the total height above the base One-half of the total height above base One third of the total height above base One fourth of the total height above base Three eighth of the total height above the base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP