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 None of these —rad/sec 20 —rad/sec 30 —rad/sec 10 None of these —rad/sec 20 —rad/sec 30 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl²/16d wl/4d wl²/4d wl²/8d wl²/16d wl/4d wl²/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act On the periphery of the body At the centre of gravity of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force On the periphery of the body At the centre of gravity of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of rotational inertia of a body in C.G.S system is cm⁴ gm.cm3 gm.cm² kg.cm² cm⁴ gm.cm3 gm.cm² kg.cm² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 59° 58° 57° 60° 59° 58° 57° 60° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS