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 8 J 4 J 6 J 2 J 8 J 4 J 6 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/8y wl/2y wl wl/4y wl/8y wl/2y wl wl/4y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be √(gra/h) gra/h ∛(gra/h) 4√(gra/h) √(gra/h) gra/h ∛(gra/h) 4√(gra/h) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple harmonic motion, the position of equilibrium is always Neutral Unstable Stable None of these Neutral Unstable Stable None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is 40 kg 30 kg 25 kg 50 kg 40 kg 30 kg 25 kg 50 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Sliding friction Limiting friction Rolling friction None of these Sliding friction Limiting friction Rolling friction None of these ANSWER DOWNLOAD EXAMIANS APP