Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 6 J 8 J 4 J 2 J 6 J 8 J 4 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Parallelogram Open polygon Closed polygon Triangle Parallelogram Open polygon Closed polygon Triangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is more when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards Is more when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards ANSWER DOWNLOAD EXAMIANS APP
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 cos² α/2g u² sin 2α/2g u² tan² α/2g u² sin² α/2g u² cos² α/2g u² sin 2α/2g u² tan² α/2g u² sin² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only Both (A) and (B) None of these Area of contact only Nature of surfaces only Both (A) and (B) None of these Area of contact only 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 57° 60° 58° 59° 57° 60° 58° 59° ANSWER DOWNLOAD EXAMIANS APP
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