Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = 2gh v = 1/√(2gh) v = √(2gh) v = 2gh² v = 2gh v = 1/√(2gh) v = √(2gh) v = 2gh² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Parallel Concurrent parallel Concurrent None of these Parallel Concurrent parallel Concurrent None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 110 kg 108.5 kg 105.5 kg 102.5 kg 110 kg 108.5 kg 105.5 kg 102.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be None of these More than 50% Less than 60% 0.5 None of these More than 50% Less than 60% 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Both reach the bottom simultaneously with equal rotational energy at bottom Cylinder with greater rotational energy at bottom than sphere Sphere with lesser rotational energy at bottom than cylinder Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Cylinder with greater rotational energy at bottom than sphere Sphere with lesser rotational energy at bottom than cylinder Sphere with greater rotational energy at bottom than cylinder ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is less when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards Is more when the lift is moving downwards Is less when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards Is more when the lift is moving downwards ANSWER DOWNLOAD EXAMIANS APP