Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 5 3 4 2 5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following represents the state of neutral equilibrium? A cube resting on one edge None of these A smooth cylinder lying on a convex surface A smooth cylinder lying on a curved surface A cube resting on one edge None of these A smooth cylinder lying on a convex surface A smooth cylinder lying on a curved surface ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J All (i), (ii) and (iii) Both (i) and (iii) Only (ii) Both (ii) and (iii) All (i), (ii) and (iii) Both (i) and (iii) Only (ii) Both (ii) and (iii) 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 2/√3 l ½ l l/√2 ¾ l 2/√3 l ½ l l/√2 ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton force, is 10⁶ dynes 10⁴ dynes 10³ dynes 10⁵ dynes 10⁶ dynes 10⁴ dynes 10³ dynes 10⁵ dynes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of 11.26 km/sec, the satellite escapes the pull of the earth 8.04 km/sec at a height of 285 km All listed here 11.11 km/sec at a height of 37,400 km 11.26 km/sec, the satellite escapes the pull of the earth 8.04 km/sec at a height of 285 km All listed here 11.11 km/sec at a height of 37,400 km ANSWER DOWNLOAD EXAMIANS APP