MOTION OF CENTER OF MASS CLASS 11 RIGID BODY MOTION JEE MAINS

#JEEMAINSCENTEROFMASSQUESTIONS #DYNAMICSOFCENTEROFMASS #Solvedquestionsoncenterofmass A log of wood of length l and mass M is floating on the surface of a river perpendicular to the banks. One end of the log touches the banks. A man of mass m standing at the other end walks towards the bank. Calculate the displacement of the log when he reaches nearer end of the log Two blocks A and B of equal masses are attached to a string passing over a smooth pulley fixed to a wedge as shown in figure. Find the magnitude of acceleration of centre of mass of the two blocks when they are released from rest. Neglect friction. A pulley fixed to the ceiling carries a string with blocks of mass m and 3 m attached to its ends. The masses of string and pulley are negligible .When the system is released, its center of mass moves with what acceleration A projectile is fired at a spedd of 100 m/s at an angel of 37 0 above the horizontal. At the highest point, the projectile breaks into two parts of mass ratio 1:3 the smaller coming to rest. Findthe distance from the launching point to the where the heavier piece lands.