Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses Maximum weight No effect on its weight Minimum weight No weight Maximum weight No effect on its weight Minimum weight No weight ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act On any point on the line of action of the force At the centre of gravity of the body On the periphery of the body At any point on the surface normal to the line of action of the force On any point on the line of action of the force At the centre of gravity of the body On the periphery of the body At any point on the surface normal to the line of action of the force 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 Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 1/4 1/3 4 3 1/4 1/3 4 3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends oni. the magnitude of the forceii. the direction of the forceiii. the point of application of the force relative to originThe correct answer is all (i), (ii) and (iii) both (i) and (ii) both (i) and (iii) only (i) all (i), (ii) and (iii) both (i) and (ii) both (i) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is 1.5 m/sec 2.5 m/sec 1.0 m/sec 0.5 m/sec 1.5 m/sec 2.5 m/sec 1.0 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP