Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (ii) All (i), (ii) and (iii) (i) and (iii) Only (i) (i) and (ii) All (i), (ii) and (iii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to A/2 A/√2 A A√2 A/2 A/√2 A A√2 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 ¾ l ½ l 2/√3 l l/√2 ¾ l ½ l 2/√3 l l/√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards Is more when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards Is more when the lift is moving downwards ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is 490 m 1960 m 980 m 98 m 490 m 1960 m 980 m 98 m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS