Newton's First Law of Motion

This topic covers Newton's First Law of Motion

The Main Idea

Newton's First law states that an object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by unbalanced force.

This is also known as the "Law of Inertia"

A Mathematical Model

The quantification of this law is done by quantifying the amount of interaction, or the Force. For an object to have uniform motion it can either have zero forces acting on it or the forces may cancel each other out. If there is a force acting on an object to the right, and a simultaneous and equal magnitude force acting on it to the left, then the object will have uniform motion. This means the object will stay in motion with the same speed and direction. But, if there is an unbalanced force acting on an object, then the speed and/or direction of the object will change.

Examples

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Connectedness

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History

This theory was originally discovered by Galileo who conducted experiments on the concepts of inertia and acceleration due to gravity. Galileo studied the movement of balls on smooth and rough surfaces, developing the idea of friction. Isaac Newton further studied these concepts and ideas and presented his 3 Laws of Motion. The first of these 3 laws, as we know, stated that an object in motion will stay in motion with the same speed and direction until an unbalanced force acts on it. And with the absence of friction or other forces, an object will continue moving forever.

See also

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Further reading or exploring

Science of NFL Football: https://www.youtube.com/watch?v=08BFCZJDn9w

Real world application of Newton's First Law: https://www.youtube.com/watch?v=8zsE3mpZ6Hw

https://www.google.com/search?q=newton%27s+first+law+of+motion&biw=1280&bih=600&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI14ihrpeFyQIVyyQmCh0ATA7H#tbm=isch&q=newton%27s+first+law+of+motion+for+college+students&imgrc=GTj1fWioQgfH6M%3A

External links

Internet resources on this topic

References

https://thescienceclassroom.wikispaces.com/Newton's+First+Law+of+Motion

Matter and Interactions: Modern Mechanics. Volume One. 4th Edition.

Page Created by: Brittney Vidal November 10, 2015 <-- For Credit

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