Forces AP - Forces Qu es un Force? A push or a pull The...

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Forces ¿ Qué es un Force? A push or a pull
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The Four Fundamental Forces in Nature 1. Gravitational 1. Electromagnetic 1. Strong Nuclear 1. Weak Nuclear
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Galileo 1564 - 1642 Was a Copernican Convicted of Heresy 1633 Pardoned by Pope in 1992
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Galileo Studied Falling Bodies Theorized what was later to be known as Newton’s first law of motion http://galileo.rice.edu/
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Sir Isaac Newton 1642 – 1727 Developed three Laws of Motion Invented Calculus Take that Leibniz
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Newton’s Laws of Motion 1. An object at rest will remain at rest, an object in motion remain in motion with a constant velocity unless acted on by a net external force.
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Newton’s Laws of Motion 1. The acceleration of a body is proportional to the net force on the body AND proportional to the inverse of the body’s mass.
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Newton’s Laws of Motion 1. For every force there is an equal but opposite force F head on hand F hand on head
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Everyday Forces 1. Weight : This is the force of gravity. Or gravity acting on a mass w = mg 2. Normal Force : The force a surface applies to an object. It is ALWAYS perpendicular to surface
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Everyday Forces 1. Tension : The force applied by a rope. Or the force in a rope. Ropes only pull. 2. Applied Force : A force applied by some object, like a person, that does not fall into any previous category 3. Friction : The force a surface applies that resists motion or an applied force
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This note was uploaded on 04/12/2011 for the course PHYS 1320 taught by Professor Staff during the Spring '11 term at North Texas.

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Forces AP - Forces Qu es un Force? A push or a pull The...

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