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The law of what of momentum states that momentum is never created or destroyed?
I don't think it's the law of momentum that's states that. It's the law of conservation that states that energy cannot be created or destroyed, but can change from one form to another. The law of the conservation of linear momentum states that when the vector sum of the external foreces is equal to zero, the linear momentum of that system remains constant.
If a moving ball rolls into a stationary ball the total momentum of both balls after the collision will be?
By the Law of Conservation of Momentum, the total momentum after the collision must be the same as the total momentum before the collision.
Angular momentum about the center of the planet is conserved?
Angular momentum is conserved when there is no external torque acting on a system. For a planet, the net torque acting on it is negligible, so its angular momentum about its center will be conserved unless acted upon by an external force. This conservation principle is a consequence of the rotational symmetry of the system.
The momentum before a collision of three objects is always greater than tha momentum after the collision?
Not necessarily. The total momentum of a system of objects is conserved unless external forces are present. In a collision involving three objects, the total momentum before the collision could be equal to, greater than, or less than the total momentum after the collision, depending on the specific circumstances of the collision.
The angular momentum of the earth is constant?
More or less. There is a law of conservation of angular momentum, according to which Earth can't gain or lose angular momentum on its own - if for example it loses angular momentum, it has to go somewhere. A meteor who falls into the Earth, or a rocket leaving the Earth can change Earth's angular momentum - but the total angular momentum (e.g., of the system meteor + Earth) is the same, before and after the impact.
When is momentum constant in a closed system?
Momentum is constant in a closed system when there are no external forces acting on the system.
What is a necessary condition for the conversation of momentum?
A necessary condition for the conservation of momentum is that there are no external forces acting on the system. This means that the total momentum of the system will remain constant before and after a collision or interaction between objects.
How can the conservation of angular momentum be ensured in a system, and what condition must be met for this conservation to hold true?
The conservation of angular momentum in a system can be ensured by making sure that no external torques act on the system. This means that the total angular momentum of the system will remain constant as long as there are no external forces causing it to change.
What are the particulars of the law of conservation of momentum?
In a closed system with no external forces acting upon it, the momentum of the system is constant.
What is torque when angular momentum is constant?
When angular momentum is constant, torque is zero. This means that there is no net external force causing the object to rotate or change its rotational motion. The law of conservation of angular momentum states that if no external torque is acting on a system, the total angular momentum of the system remains constant.
What is the law of concervation for momentum?
The law of conservation of momentum (for example linear momentum), says that if no external forces act on a body or if the sum of all external forces on the body is zero, then its momentum remains constant. This means that if I don't push an object that in its initial state stands still, than this object will remain still. And then again: if I don't exert a force (push or pull etc.) upon an object that moves with a constant speed, then its speed will remain constant.
Why can angular momentum not be conserved if an external torque is applied to a rotating object?
When an external torque is applied to a rotating object, the total angular momentum of the system is no longer constant because the external torque changes the rotational motion of the object by adding or subtracting angular momentum. This violates the principle of conservation of angular momentum, which states that the total angular momentum of a system remains constant if no external torques are acting on it.
Why is momentum conserved in a closed system?
Momentum is conserved in a closed system because there are no external forces acting on the system to change the total momentum. This principle is based on the law of conservation of momentum, which states that the total momentum of a closed system remains constant unless acted upon by an external force.
In orbital motion the Angular Momentum of the system is?
In orbital motion, the angular momentum of the system is constant if there is no external torque acting on the system. This is a result of the conservation of angular momentum, where the product of the rotating body's moment of inertia and angular velocity remains constant unless acted upon by an external torque.
Could the angular momentum of the closed system of mass change?
In a closed system where no external torque acts, the angular momentum remains constant (law of conservation of angular momentum). If external torques are present, the angular momentum of the system can change due to the torque causing rotation.
When is angular momentum conserved?
Angular momentum is conserved when there is no net external torque acting on a system. This principle is described by the law of conservation of angular momentum, stating that the total angular momentum of a system remains constant if there are no external influences causing a change.
Can momentum be conserved in an isolated system?
Yes, momentum can be conserved in an isolated system. This is known as the principle of conservation of momentum, which states that in the absence of external forces, the total momentum of an isolated system remains constant before and after a collision or interaction.
