Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is 44052 43833 43864 43839 44052 43833 43864 43839 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is a rectilinear motion with constant speed a damped oscillatory motion None of these a simple harmonic motion a rectilinear motion with constant speed a damped oscillatory motion None of these a simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At the instantaneous center, the velocity of the moving lamina at any instant is Minimum Zero Maximum Varying Minimum Zero Maximum Varying ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of the differential wheel and axle is R/r1 - r2 2R/r1 + r2 3R/r1 - r2 2R/r1 R/r1 - r2 2R/r1 + r2 3R/r1 - r2 2R/r1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by Its shorter side The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its longer side The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its longer side The diagonal of the parallelogram which passes through the point of intersection of the forces ANSWER DOWNLOAD EXAMIANS APP