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Yes, momentum is conserved in the larger apple-Earth system. When the apple falls towards Earth, it gains momentum in the downward direction while Earth gains an equal amount of momentum in the opposite direction. The total momentum of the system remains constant, demonstrating the principle of conservation of momentum.
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Would no momentum be conserved for the system if momentum were not a vector quantity?
No, momentum conservation is a fundamental principle in physics and it would still hold even if momentum were not a vector quantity. Momentum conservation simply states that the total momentum in a system remains constant unless acted upon by an external force. Whether momentum is treated as a vector or scalar quantity does not change this principle.
When two bodies having same momentum collide what will be the result?
If two bodies with the same momentum collide head-on, they will come to a stop if they stick together after the collision or they will continue moving in the same direction if they separate. The final outcome depends on factors such as the masses and velocities of the two bodies involved.
Does momentum change as a rock falls to the ground?
No, momentum is conserved in the absence of external forces, so the momentum of the rock would remain constant as it falls to the ground. The only force acting on the rock would be gravity, which does not change the momentum of an object in free fall.
What would be the momentum if the mass were halved?
If the mass were halved, the momentum would also be halved since momentum is directly proportional to mass. This relationship is described by the equation p = mv, where p is momentum, m is mass, and v is velocity. So, if the mass is halved, the momentum would also be halved.
Suppose a train car in moving down the track at 10ms hits another train car that is not moving explain how momentum is conserved after the collision?
Conservation of Momentum:The total momentum in a closed or isolated system remains constant. If the two trains are moving as one after the collision, and were the same mass M each, the total momentum before and after the collision would be the same, ccording to the law. Before the collision, the momentum (velocity times mass) was 10 x M units (one train) which must now be the same but applied to two trains (2M) moving as one body. The Conservation of Momentum rule, will tell you that the new moving body, being twice the mass, would be moving half the velocity to conserve the momentum from before the collision.
