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Two objects collide and stick together. how does the total momentum change?
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When two objects collide they exert forces on each other that change momentum?
Yes, that is correct.
What happens to the momentum of two objects which collide and stick together?
In a collision, a force acts upon an object for a given amount of time to change the object's velocity. The product of force and time is known as impulse. The product of mass and velocity change is known as momentum change. In a collision the impulse encountered by an object is equal to the momentum change it experiences.Impulse = Momentum Change. What happens to the momentum when two objects collide? Nothing! unless you have friction around. Momentum#1 + Momentum#2 before collision = sum of momentums after collision (that's a vector sum).
When two billiard balls collide the total change in momentum is what?
Billiard balls collide quite elastically. Ideally, the total change in momentum is zero.
What is the theory of momentum?
The idea is that there is a quantity, "amount of movement", formally the product of mass x velocity, that is conserved. That means that the total momentum doesn't change, even if two objects collide, for example - any momentum lost by one object is gained by the other object.
The total amount of momentum of a group of objects does not change unless outside forces act on the objects?
Momentum
What never changes when two or more objects collide?
The total momentum of all the objects does not change when two or more objects collide together. An object that is smaller in mass can not have more momentum after the collusion.
When two objects collide they exert forces on each other that change momentum?
Yes, that is correct.
What happens to the momentum of two objects which collide and stick together?
In a collision, a force acts upon an object for a given amount of time to change the object's velocity. The product of force and time is known as impulse. The product of mass and velocity change is known as momentum change. In a collision the impulse encountered by an object is equal to the momentum change it experiences.Impulse = Momentum Change. What happens to the momentum when two objects collide? Nothing! unless you have friction around. Momentum#1 + Momentum#2 before collision = sum of momentums after collision (that's a vector sum).
When two billiard balls collide the total change in momentum is what?
Billiard balls collide quite elastically. Ideally, the total change in momentum is zero.
What is the theory of momentum?
The idea is that there is a quantity, "amount of movement", formally the product of mass x velocity, that is conserved. That means that the total momentum doesn't change, even if two objects collide, for example - any momentum lost by one object is gained by the other object.
The total amount of momentum of a group of objects does not change unless outside forces act on the objects?
Momentum
What happens to the total momentum of two objects in a system before and after interactions?
The total momentum before the collision is the same as the total momentum after the collision. This is known as "conservation of momentum".
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 does momentum have a direction?
Because momentum is mass X velocity. Velocity has direction, otherwise it is speed.
The rule that in the absence of outside forces the total momentum of objects that interact does not change?
law of conservation of momentum
What does the impulse-momentum theorem state?
Impulse equals change in momentum. "Apex" The final momentum of any object (or collection of objects) must equal to its initial momentum plus any impulse imparted to the object (or collection of objects).
What do you measure to find an objects inertia?
Inertia in physics is generally defined as resistance to change in velocity and it is measured as a change in momentum. (p is momentum, so change in momentum would be Δp, measured as Δp = m*Δv)
