Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/ 8 3r/4π 8r/3 4r/ 3π 3r/ 8 3r/4π 8r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Equal to one Less than one Greater than one None of these Equal to one Less than one Greater than one None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/(m × V.R.) m/V.R. 1/m V.R./m 1/(m × V.R.) m/V.R. 1/m V.R./m 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 45° + β/2 60° + β/2 30° + β/2 β/2 45° + β/2 60° + β/2 30° + β/2 β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 mr²/3 2mr²/5 3mr²/5 2mr²/3 mr²/3 2mr²/5 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total motion possessed by a body, is called Mass Weight Momentum Impulsive force Mass Weight Momentum Impulsive force ANSWER DOWNLOAD EXAMIANS APP