Applied Mechanics and Graphic Statics A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be 6t + 2 3t² + 2t 6t - 2 3t³ - 2t 6t + 2 3t² + 2t 6t - 2 3t³ - 2t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is 0.18845 m/sec 188.5 m/sec 1.885 m/sec 18.85 m/sec 0.18845 m/sec 188.5 m/sec 1.885 m/sec 18.85 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/16d wl²/8d wl²/4d wl/4d wl²/16d wl²/8d wl²/4d wl/4d 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/2y wl/4y wl/8y wl wl/2y wl/4y wl/8y wl ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 22 m/sec 16 m/sec 18 m/sec 20 m/sec 22 m/sec 16 m/sec 18 m/sec 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Force polygon closes Funicular polygon closes All the forces are concurrent Both force polygon" and funicular polygon close Force polygon closes Funicular polygon closes All the forces are concurrent ANSWER DOWNLOAD EXAMIANS APP