Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/4π 4r/ 3π 3r/ 8 8r/3 3r/4π 4r/ 3π 3r/ 8 8r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 90° 60° 30° 45° 90° 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of 1 m 4 m 3 m 2 m 1 m 4 m 3 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -8.9 m/s2 +8.9 m/s2 -9.8 m/s2 +9.8 m/s2 -8.9 m/s2 +8.9 m/s2 -9.8 m/s2 +9.8 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a⁴/12 a³/12 a²/8 a⁴/16 a⁴/12 a³/12 a²/8 a⁴/16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 2mr²/5 7mr²/5 7mr²/3 2mr²/3 2mr²/5 7mr²/5 7mr²/3 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP