Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close None of these Both (A) and (B) That resultant couple must be zero That polygon of forces must close None of these Both (A) and (B) That resultant couple must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cube on a smooth horizontal surface Cannot be in neutral equilibrium Cannot be in unstable equilibrium Can be in any of these states Cannot be in stable equilibrium Cannot be in neutral equilibrium Cannot be in unstable equilibrium Can be in any of these states Cannot be in stable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by 0.12569444444444 0.084027777777778 0.043055555555556 0.042361111111111 0.12569444444444 0.084027777777778 0.043055555555556 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased 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 0.33 0.5 0.25 0.4 0.33 0.5 0.25 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Involute Straight line Spiral Centroid Involute Straight line Spiral Centroid ANSWER DOWNLOAD EXAMIANS APP