law of momentum

The law of conservation of momentum states that the total vector sum of momenta of bodies, in an isolated system, along any straight line remains conserved and remains unchanged due to reaction forces between the forces of the syste..

From Newton's third law of motion we know that whenever a force is applied on a body there will be an equal and opposite reaction. Action and reaction forces result in change in velocities of both the bodies which in turn change the momenta of these bodies. In an elastic collision the ini..

Law of Conservation of Momentum - Let two particles A and B collide with each other. Let be the initial and final velocities of particle 1 and similarly, for particle 2. Let the two particles be in contact for a time t. Change in momentum of A and B are During the coll..

If no external force acts on a system in a particular direction then the total momentum of the system in the direction remains unchange..

If no external force acts on a system of colliding objects, then the total momentum before collision is equal to the total momentum after collision, in the same directio..

When a bullet is fired from a gun, the gases produced in the barrel exerts a tremendous force on the bullet (action force). As a result, the bullet moves forward with a great velocity called the muzzle velocit..

Let us consider a student seated on a stool that can rotate freely about a vertical axis. The student, who is set into rotation at a modest initial angular speed w i , holds two dumbbells in an outstretched hand. His angular momentum lies along the vertical rotation axis, pointing upwards..

. The SI unit of momentum is (kg x m/s) or kg m/s. From the above expression, we can understand that when two bodies have equal velocities then the heavier body has greater momentum. Similarly, when two bodies have equal mass, the faster body has greater momentum. Now..

Conservation of Angular Momentum - We already know two powerful conservation laws, namely, the conservation of energy and the conservation of linear momentum. Let us study another conservation law, namely the law of conservation of angular mome..

Illustrations of the Law of Conservation of Angular Momentum - Let us consider a student seated on a stool that can rotate freely about a vertical axis. The student, who is set into rotation at a modest initial angular speed w i , holds two dumbbells in an outstretched hand. His..