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  #1  
25th February 2016, 08:31 AM
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Momentum Definition Physics

Hello sir, I am Pappu Singh. I am from Bathinda. I want you to help me by providing me some information about the momentum definition in physics. Also give some examples.
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  #2  
25th February 2016, 08:31 AM
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Join Date: May 2012
Re: Momentum Definition Physics

Momentum is a physics term; it denotes to the quantity of motion that an object has.

If an object is in motion (on the move) then it has momentum.

Momentum can be defined as "mass in motion." All objects have mass; so if an object is moving, then it has momentum - it has its mass in motion.

The amount of momentum that an object has is dependent upon two variables: how much a thing is moving and how fast the stuff is moving. Momentum depends upon the variables mass and velocity.

In terms of an equation, the momentum of an object is equal to the mass of the object times the velocity of the object.
Momentum = mass * velocity

In physics, the symbol for the quantity momentum is the lower case p. Thus, the above equation can be rewritten as
p = m * v

where m is the mass and v is the velocity. The equation illustrates that momentum is directly proportional to an object's mass and directly proportional to the object's velocity.

The units for momentum would be mass units times velocity units.

The standard metric unit of momentum is the kg•m/s. While the kg•m/s is the standard metric unit of momentum, there are a variety of other units that are acceptable (though not conventional) units of momentum.

Examples include kg•mi/hr, kg•km/hr, and g•cm/s. In each of these examples, a mass unit is multiplied by a velocity unit to provide a momentum unit. This is consistent with the equation for momentum.


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