View source for Newton’s First Law of Motion

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[[File:newtonfirstlaw.png|right|400px|thumb|Inertia is the resistance of any physical object to any change in its state of motion.]]

Newton's First Law of Motion, commonly referred to as the law of inertia, explains the relationship between the the change of velocity of an object and its interaction with others.


==The Main Idea==
To be exact, the definition of the First Law of Motion is as follows: 
 Every body persists in its state of rest or of moving with constant speed in a constant direction, except to the extent that it is compelled to change that state by forces acting on it. 
In other (and much simpler) terms, it means that an object at rest stays at rest and an object in in motion stays in motion at a constant velocity unless acted on by an unbalanced net force. It's important to keep in mind that only a difference in [http://www.physicsclassroom.com/class/newtlaws/Lesson-2/Determining-the-Net-Force net force] can affect the velocity of an object. The amount of change in velocity is determined by [http://www.physicsclassroom.com/class/newtlaws/Lesson-3/Newton-s-Second-Law Newton's Second Law of Motion].

===A Mathematical Model===

Newton's first law can be stated mathematically as follows:

<math>{\vec{F_{net}} = 0 \Leftrightarrow \frac{d\vec{v}}{dt}} = 0</math>

Where...

<math>\vec{F_{net}}</math> is the net force from the surroundings. 

<math>d\vec{v}</math> is the change in velocity of the system.

<math>dt</math> is the change in time of the system

If we trace this formula from the left to the right, we can see that if the net force on an object is zero, then the change in velocity of an object is also zero. Conversely, if we were given an object and told that its change in momentum is zero, then we can deduce that the net force acting on the object is also zero. Keep in mind, however, that this formula simple deals with the '''change''' in velocity. It does '''not''' mean that the object is at rest, only that its velocity remains constant.

===A Computational Model===

How do we visualize or predict using this topic. Consider embedding some vpython code here [https://trinket.io/glowscript/31d0f9ad9e Teach hands-on with GlowScript]

==Examples==

Be sure to show all steps in your solution and include diagrams whenever possible

===Simple===
[[File:Newtonfirstlawsimple.png|left|400px|thumb]]



===Middling===




===Difficult===

==Connectedness==
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==History==

Isaac Newton first described his three laws of motion in ''The Mathematical Principle of Natural Philosophy'', for the Principia, which was published in 1687. These laws described the relationship between an object and the forces acting upon it and laid the foundation for classical mechanics. Newton's first law, in particular, expanded upon the concept of [http://www.physicsclassroom.com/class/newtlaws/Lesson-1/Inertia-and-Mass inertia] which was discovered by Galileo Galilei years before. 


== See also ==

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===Further reading===

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===External links===

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==References==

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[[Category:Velocity and Momentum]]