A meter stick is placed vertically at the origin on a frictionless surface. A gentle push in +x direction is given to the topmost point of the rod when it has fallen completely x coordinate of center of the rod is at:
Since there us no external force on the rod, the center of mass of the rod will not move in horizontal direction.In vertical direction, we have gravitational force as an external force so com of rod will come 0.5m down, but will not move in x direction.So COM will be the origin.Thus option A is correct.
A uniform rod of mass m, length l is placed at rest on a smooth horizontal surface along yā axis as shown in figure. An impulsive force F is applied for a very small time interval Īt along x direction at point A. What will be the xā coordinate of the end A of the rod when the rod becomes parallel to xā axis for the first time? Take origin at the mid point of the rod.
A uniform rod of mass m, length l is placed at rest on a smooth horizontal surface along yā axis as shown in figure. An impulsive force F is applied for a very small time interval Īt along x direction at point A. What will be the xā coordinate of the end A of the rod when the rod becomes parallel to xā axis for the first time? Take origin at the mid point of the rod.
A uniform rod AB of mass M, length L is placed against the vertical wall of a container. Now container is filled with a liquid which has half of the density of the density of rod. If end B is given a gentle push, then calculate the velocity of centre of mass of rod when it becomes horizontal is ā3gLn.
Neglect any frictions, viscosity and kinetic energy of water molecules. Find n.
