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 2 J 8 J 6 J 4 J 2 J 8 J 6 J 4 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with Uniform speed An acceleration Retardation Linear momentum Uniform speed An acceleration Retardation Linear momentum 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/4y wl wl/8y wl/2y wl/4y wl ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 6.25 kg 10.5 kg 8.75 kg 5.5 kg 6.25 kg 10.5 kg 8.75 kg 5.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be quadrupled Its length should be quadrupled The mass of its bob should be doubled Its length should be doubled The mass of its bob should be quadrupled Its length should be quadrupled The mass of its bob should be doubled Its length should be doubled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is 3/5 4/5 5/3 3/4 3/5 4/5 5/3 3/4 ANSWER DOWNLOAD EXAMIANS APP
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