Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 80 m/sec 70 m/sec 75 m/sec 90 m/sec 80 m/sec 70 m/sec 75 m/sec 90 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? Both discs will have same rotational inertia None of these Disc with smaller density Disc with larger density Both discs will have same rotational inertia None of these Disc with smaller density Disc with larger density ANSWER DOWNLOAD EXAMIANS APP
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 (iii) (i) and (ii) All (i), (ii) and (iii) Only (i) (i) and (iii) (i) and (ii) All (i), (ii) 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 less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for Complete oscillation Half oscillation Quarter oscillation None of these Complete oscillation Half oscillation Quarter oscillation None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to One couple only One force and one couple only None of these One force only One couple only One force and one couple only None of these One force only ANSWER DOWNLOAD EXAMIANS APP
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