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Multiple objects can have a net momentum of zero if their individual momenta cancel each other out. This can happen when objects are moving in opposite directions or when the magnitudes of their momenta are equal but opposite. In this scenario, the total momentum of all the objects in the system sums to zero.
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Why if total momentum is zero but kinetic energy is not equal to zero?
This sounds like a trick question. Momentum has a sign (positive or negative), and if you have two masses that are going in opposite directions their total momentum is zero. But the sum of their kinetic energies is positive.
When does an object have zero momentum?
If the net force on an object is zero, then the object is in equilibrium. This means there are balanced forces acting upon it, or none at all.
How do you cause momentum to be zero?
To make the momentum of an object zero, you need to ensure that the object is at rest or its velocity is zero. This can be achieved by balancing the forces acting on the object, such that the net force is zero and the object does not accelerate. In simple terms, if the initial momentum of the object is non-zero, you can make it zero by applying an equal and opposite force to cancel out the momentum.
Drop a stone from the top of a high cliff identify the system wherein the net momentum is zero as t?
The system wherein the net momentum is zero at all times during the stone's fall is the stone itself. Momentum is a vector quantity, and the stone experiences an equal and opposite change in momentum at each instant due to the gravitational force. The external forces acting on the stone can be neglected in this case.
How is momentum conserved after two object collide?
From Newton's third law, when two bodies A and B collide, the force that A exerts on B is equal in magnitude but opposite in direction to the force that B exerts on A. From Newton's second law, this force produces a rate of change of momentum. Both bodies are experienced to the same magnitude in change of momentum but in opposite directions. Net change in momentum is zero. This implies that momentum is conserved.
Why if total momentum is zero but kinetic energy is not equal to zero?
This sounds like a trick question. Momentum has a sign (positive or negative), and if you have two masses that are going in opposite directions their total momentum is zero. But the sum of their kinetic energies is positive.
When an objects net force is zero is it accerlerating?
When an objects net force is zero, its acceleration is zero. No force , no acceleration.
When does an object have zero momentum?
If the net force on an object is zero, then the object is in equilibrium. This means there are balanced forces acting upon it, or none at all.
How do you cause momentum to be zero?
To make the momentum of an object zero, you need to ensure that the object is at rest or its velocity is zero. This can be achieved by balancing the forces acting on the object, such that the net force is zero and the object does not accelerate. In simple terms, if the initial momentum of the object is non-zero, you can make it zero by applying an equal and opposite force to cancel out the momentum.
Drop a stone from the top of a high cliff identify the system wherein the net momentum is zero as t?
The system wherein the net momentum is zero at all times during the stone's fall is the stone itself. Momentum is a vector quantity, and the stone experiences an equal and opposite change in momentum at each instant due to the gravitational force. The external forces acting on the stone can be neglected in this case.
What is the difference between zero momentum and momentum bias spacecraft?
When the spacecraft is an equilibrium state, if the spacecraft has a momentum for specific axis, then the control of spacecraft is designed to momentum bias method. if else, it is called a zero momentum spacecraft. Zero momentum spacecraft: a spacecraft has four reaction wheel which is installed to pyramid configuration. if1st and 3rd reaction wheel is running to a 500 rpm and 2nd and 4th reaction wheel is running to a 500 rpm, them totoal net momentum is a zero.
Objects at rest or in uniform motion have what acting on them?
zero net force
When the net torque acting on an object is zero the object is in?
In that case, the object's rotational momentum won't change.
Does rolling friction always reduce the net force acting on against an objects motion to zero?
The net force will be zero only if the velocity is constant, which means acceleration is zero.
How is momentum conserved after two object collide?
From Newton's third law, when two bodies A and B collide, the force that A exerts on B is equal in magnitude but opposite in direction to the force that B exerts on A. From Newton's second law, this force produces a rate of change of momentum. Both bodies are experienced to the same magnitude in change of momentum but in opposite directions. Net change in momentum is zero. This implies that momentum is conserved.
When does a car have momentum?
Momentum = Mass x Velocity. (p=m*v)The mass of an object made of matter can not be zero.If the object (car) is moving, then the velocity will be non-zero, and the object will have non-zero momentum.So, if you are driving or rolling the car, it has momentum.If it is parked, then it will have 0 velocity (with respect to the earth), and thus will have 0 momentum.So, when the car is moving, it has net momentum. When it is parked it has zero momentum. I then just becomes a mater of semantics whether having zero momentum is equivalent to not having momentum, or if it is actually a valid value for momentum or state of momentum.
Forces are unbalanced when the net force is not equal to?
Forces that are unbalanced have a net force that does not equal zero
