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) Both (ii) and (iii) Only (ii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased Must be increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be None of these 60° 30° 45° None of these 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A simple harmonic motion None of these A rectilinear motion with constant speed A damped oscillatory motion A simple harmonic motion None of these A rectilinear motion with constant speed 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 mechanical advantage of the lifting machine is 18 20 15 26 18 20 15 26 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be r/v² v²/r r/ω² ω²/r r/v² v²/r r/ω² ω²/r ANSWER DOWNLOAD EXAMIANS APP
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