Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² sin² α/2g u² sin 2α/2g u² tan² α/2g u² cos² α/2g u² sin² α/2g u² sin 2α/2g u² tan² α/2g u² cos² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is 0.5 0.25 0.4 0.33 0.5 0.25 0.4 0.33 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is 3 2 43892 43832 3 2 43892 43832 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be doubled Its length should be doubled Its length should be quadrupled The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be doubled Its length should be quadrupled The mass of its bob should be quadrupled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 2/3 3/5 1/5 1/3 2/3 3/5 1/5 1/3 ANSWER DOWNLOAD EXAMIANS APP