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 30 None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 None of these —rad/sec 20 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts towards the centre of rotation Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path Acts towards the centre of rotation Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/2 g/5 g/4 g/3 g/2 g/5 g/4 g/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a simple pendulum, the period of one oscillation is 2π √(2g/l) 2π √(g/2l) 2π √(l/g) 2π √(l/2g) 2π √(2g/l) 2π √(g/2l) 2π √(l/g) 2π √(l/2g) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on(i) The magnitude of the force(ii) The direction of the force(iii) The point of application of the force relative to origin Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP