NEWTON’S LAWS. Newton’s First Law An example Also called “Newton’s Law of Inertia”

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NEWTON’S LAWS

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Transcript of NEWTON’S LAWS. Newton’s First Law An example Also called “Newton’s Law of Inertia”

Page 1: NEWTON’S LAWS. Newton’s First Law An example Also called “Newton’s Law of Inertia”

NEWTON’S LAWS

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Newton’s First Law

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An example

• Also called “Newton’s Law of Inertia”

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Inertia

• An object’s tendency to resist a change in motion

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Newton’s Second Law

F = m x a

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Newton’s Second Law

• Part 1: Acceleration depends on mass

• Part 2: Acceleration depends on force

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Example: Mr. Parzych Bowling

How much force is need for a bowling ball with a mass of 5 kg to be accelerated at a rate of 2 m/s/s?

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Example: Mr. Parzych Bowling

F = m x a

F= (5 kg) * ( 2 m/s/s)

F= 10 N

a= 2 m/s/s

m= 5 kg

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Action and Reaction Forces

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Examples of Force Pairs

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Volleyball Spike

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Hunting

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Golf

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Pushing Against A Wall

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Balloon Rocket

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Effects of Reaction Forces

• Hard to see the effect of the ball pulling on the earth.

• The earth is extremely massive, so it’s acceleration will be infintessimally small

• F= m x a

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Momentum• Momentum is the combined mass and velocity of an

object.

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Transfer of Momentum

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Conservation of Momentum


TEKS8.6C investigate and describe applications of Newton’s ......Newton’s law of inertia, law of force and acceleration, and law of action-reaction Investigation and Reasoning

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Newton’s First Law of Motion Newton’s first law is often called the law of inertia Newton’s First Law of Motion states—An object at rest will remain.

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