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 Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) Only (ii) Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) Only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.4 0.5 0.55 0.3 0.4 0.5 0.55 0.3 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) log r 1/r r r2 log r 1/r r r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The motion of a particle is described by the relation x = t²- 10t + 30, where x is in meters and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be Zero 30 m 60 m 50 m Zero 30 m 60 m 50 m 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 43895 43926 43954 43894 43895 43926 43954 43894 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to Zero potential energy and maximum kinetic energy Zero kinetic energy and maximum potential energy Maximum kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Zero potential energy and maximum kinetic energy Zero kinetic energy and maximum potential energy Maximum kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy ANSWER DOWNLOAD EXAMIANS APP
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