Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 60° 90° 30° 45° 60° 90° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Change None of these Changes periodically Does not change Change None of these Changes periodically Does not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be Zero Minimum Infinity Maximum Zero Minimum Infinity Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is tanθ sinθ cosecθ cosθ tanθ sinθ cosecθ cosθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, To every action, there is always an equal and opposite reaction None of these Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts To every action, there is always an equal and opposite reaction None of these Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 8r/3 3r/ 8 4r/ 3π 3r/4π 8r/3 3r/ 8 4r/ 3π 3r/4π ANSWER DOWNLOAD EXAMIANS APP