Applied Mechanics and Graphic Statics A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is 2 cm 5 cm 3 cm 4 cm 2 cm 5 cm 3 cm 4 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r2 log r 1/r r r2 log r 1/r r 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 wl/8y wl/4y wl/2y wl wl/8y wl/4y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Triangle Open polygon Parallelogram Closed polygon Triangle Open polygon Parallelogram Closed polygon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to A/√2 A√2 A/2 A A/√2 A√2 A/2 A ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS