Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to One couple only One force only One force and one couple only None of these One couple only One force only One force and one couple only None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-third of the total height above base None of these One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these One-half of the total height above base One-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² 1.25 m/sec² 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² 1.25 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 Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum None of these Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 80 g 40 g 100 g 60 g 80 g 40 g 100 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is 98 m 980 m 490 m 1960 m 98 m 980 m 490 m 1960 m ANSWER DOWNLOAD EXAMIANS APP