Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 20 sec 8 sec 10 sec 5 sec 20 sec 8 sec 10 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body of mass M1 is hanging freely and another of mass M2 lying on a smooth inclined plane(α) are connected by a light index tensile string passing over a smooth pulley, the acceleration of the body of mass M1, will be given by g(M1 + M2 sin α)/(M1 + M2) m/sec g(M2 + M1 sin α)/(M1 + M2) m/sec² g(M1 - M2 sin α)/(M1 + M2) m/sec² g(M2 × M1 sin α)/(M2 - M1) m/sec² g(M1 + M2 sin α)/(M1 + M2) m/sec g(M2 + M1 sin α)/(M1 + M2) m/sec² g(M1 - M2 sin α)/(M1 + M2) m/sec² g(M2 × M1 sin α)/(M2 - M1) m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 6 J 2 J 8 J 4 J 6 J 2 J 8 J 4 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.25 1.0 0.75 0.50 0.25 1.0 0.75 0.50 ANSWER DOWNLOAD EXAMIANS APP