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 Concurrent parallel None of these Parallel Concurrent Concurrent parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Area of the surface of the body is assumed to be concentrated Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated All listed here Area of the surface of the body is assumed to be concentrated Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/4y wl wl/2y wl/8y wl/4y wl wl/2y wl/8y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a resultant force Always reduce to a couple Both (A) and (C) Be in equilibrium Always reduce to a resultant force Always reduce to a couple Both (A) and (C) Be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will Meet after 10 sec Meet after 1 sec Never meet Meet after 5 sec Meet after 10 sec Meet after 1 sec Never meet Meet after 5 sec ANSWER DOWNLOAD EXAMIANS APP