Chapter4

# Chapter4 - Chapter4 Dynamics NewtonsLawsofMotion...

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Chapter 4 Dynamics Newton’s Laws of Motion

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Newton’s First Law The Law of Inertia An object at rest tends to stay at rest. An object in motion tends to stay in motion.
Inertia:   A resistance to change, a property of all  matter.

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Newton’s Second Law The Law of Acceleration The acceleration of an object is in the direction of  the force applied. Acceleration is directly proportional to the force  applied. The harder you push an object the faster it goes Acceleration is inversely proportional to the mass  of the object. The heavier the object, the less affect a push has.
Newton’s Law of Acceleration F = Mass x Acceleration = ma Weight = F w  = mass x gravity (mg)

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Newton’s Third Law Action - Reaction For every action there is an equal and  opposite Reaction.
The “Normal” Force Also called a the  “contact force;” the

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Chapter4 - Chapter4 Dynamics NewtonsLawsofMotion...

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