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 For perfectly elastic bodies, the value of coefficient of restitution is Between 0 and 1 Zero 0.5 1 Between 0 and 1 Zero 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Cartesian form of the equation of catenary is y = c sinh x/c y = c tan x/c y = c cosh x/c y = c sin x/c y = c sinh x/c y = c tan x/c y = c cosh x/c y = c sin x/c ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Momentum of rubber ball is less than that of lead ball None of these Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball None of these Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 30 —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 —rad/sec 10 —rad/sec 20 None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 337.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP