Applied Mechanics and Graphic Statics A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is 9.0 J 4.5 J 12.0 J 18.0 J 9.0 J 4.5 J 12.0 J 18.0 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/energy Work/time Work × time Work/distance Work/energy Work/time Work × time Work/distance 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 Maximum kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Zero kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy Maximum kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Zero kinetic energy and maximum potential energy ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 50 and 75 50 and 50 75 and 50 75 and 75 50 and 75 50 and 50 75 and 50 75 and 75 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 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 A damped oscillatory motion 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 188.5 m/sec 0.18845 m/sec 1.885 m/sec 18.85 m/sec 188.5 m/sec 0.18845 m/sec 1.885 m/sec 18.85 m/sec ANSWER DOWNLOAD EXAMIANS APP
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