Applied Mechanics and Graphic Statics The dimensions of Gravitational Universal constant ‘G’ are M-2L3T2 M1L3T2 M-1L2r2 M-1L3r2 M-2L3T2 M1L3T2 M-1L2r2 M-1L3r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r r2 1/r log r r r2 1/r log r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be ½ sin α 2 cos α ½ tan α ½ cos α ½ sin α 2 cos α ½ tan α ½ cos α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Imaginary work None of these Virtual work Negative work Imaginary work None of these Virtual work Negative work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 90° 30° 60° 45° 90° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.25 0.50 0.75 1.0 0.25 0.50 0.75 1.0 ANSWER DOWNLOAD EXAMIANS APP
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