Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous axis Virtual centre Point of rotation Instantaneous centre Instantaneous axis Virtual centre Point of rotation Instantaneous centre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these 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 ½ l 2/√3 l l/√2 ¾ l ½ l 2/√3 l l/√2 ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is 0.5 1 Between 0 and 1 Zero 0.5 1 Between 0 and 1 Zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) 1/r r log r r2 1/r r log r r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block? Equally stable on all faces 1 m × 3 m 1 m × 2 m 2 m × 3 m Equally stable on all faces 1 m × 3 m 1 m × 2 m 2 m × 3 m ANSWER DOWNLOAD EXAMIANS APP
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