Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height One third of the total height above base Three eighth of the total height above the base One-half of the total height above base One fourth of the total height above base One third of the total height above base Three eighth of the total height above the base One-half of the total height above base One fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/4 mr²/8 mr²/2 mr²/6 mr²/4 mr²/8 mr²/2 mr²/6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 8r/3 3r/4π 4r/ 3π 3r/ 8 8r/3 3r/4π 4r/ 3π 3r/ 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called Momentum Weight Impulsive force Mass Momentum Weight Impulsive force Mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is 0.5 Iω 0.5 Iω2 Iω2 Iω 0.5 Iω 0.5 Iω2 Iω2 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Halved Doubled Quadrupled None of these Halved Doubled Quadrupled None of these ANSWER DOWNLOAD EXAMIANS APP