Applied Mechanics and Graphic Statics A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ? 45° 15° 30° 75° 45° 15° 30° 75° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is 10 kg 40 kg 60 kg 100 kg 10 kg 40 kg 60 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5 and 5√3 m/sec 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane To be zero To be maximum To be minimum None of these To be zero To be maximum To be minimum None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is ½ l l/√2 2/√3 l ¾ l ½ l l/√2 2/√3 l ¾ l ANSWER DOWNLOAD EXAMIANS APP
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