Momentum Equation | Tricia's Question

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In summary, the momentum equation is a fundamental equation in physics that relates an object's mass, velocity, and momentum. It is used in various scientific fields to predict an object's behavior and interactions with other objects. There is a distinction between linear and angular momentum, with linear momentum dealing with straight line motion and angular momentum dealing with rotational motion. The momentum equation is closely related to Newton's laws of motion, particularly the second law, and can be applied to all objects regardless of their size, shape, or composition.
  • #1
lpfan4yrs04
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what is the equation for momentum?
 
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  • #2
answer

mass * velocity = momentum
 
  • #3
Momentum is also the rate of change of force. This can easily be verified by rearranging the equations:

force = mass * acceleration

acceleration = velocity / seconds

momentum = mass * velocity,

Therefore:

momentum = force * seconds

Edited typo.

Integral
 
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  • #4
momentum = force x seconds
 
  • #5
Originally posted by Michael D. Sewell
momentum = force x seconds

That's impulse, or change in momentum.
 
  • #6
Originally posted by xeguy
That's impulse, or change in momentum.
That depends. At an instantaneous point, it is momentum. But Delta Momentum = Force * Delta Time, that is impulse.
 

FAQ: Momentum Equation | Tricia's Question

What is the momentum equation?

The momentum equation is a fundamental equation in physics that describes the relationship between an object's mass, velocity, and momentum. It is represented as p = mv, where p is momentum, m is mass, and v is velocity.

How is the momentum equation used in science?

The momentum equation is used in a variety of scientific fields, such as mechanics, fluid dynamics, and thermodynamics. It is used to calculate an object's momentum, which is a measure of its motion and can be used to predict its behavior and interactions with other objects.

What is the difference between linear and angular momentum?

Linear momentum is the product of an object's mass and velocity in a straight line, while angular momentum is the product of an object's moment of inertia and angular velocity around a fixed axis. In other words, linear momentum deals with motion in a straight line, while angular momentum deals with rotational motion.

How does the momentum equation relate to Newton's laws of motion?

The momentum equation is closely related to Newton's laws of motion, particularly the second law which states that the net force acting on an object is equal to its mass times its acceleration. This can be rewritten as F = dp/dt, where F is force, m is mass, and dp/dt is the rate of change of momentum.

Can the momentum equation be applied to all objects?

Yes, the momentum equation can be applied to all objects, regardless of their size, shape, or composition. It is a fundamental law of physics that applies to all types of motion and is essential for understanding the behavior of objects in the physical world.

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