Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P tan θ/2 2P sin θ/2 2P cos θ/2 P cos θ/2 P tan θ/2 2P sin θ/2 2P cos θ/2 P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes E/2 2E E 4E E/2 2E E 4E ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is 6.28 m/sec 1.57 m/sec 3.14 m/sec 1.00 m/sec 6.28 m/sec 1.57 m/sec 3.14 m/sec 1.00 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by 0.042361111111111 0.12569444444444 0.043055555555556 0.084027777777778 0.042361111111111 0.12569444444444 0.043055555555556 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 2 m 20 m 0.02 m 2.5 m 2 m 20 m 0.02 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% None of these 0.5 More than 50% Less than 60% None of these 0.5 More than 50% ANSWER DOWNLOAD EXAMIANS APP