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TRANSCRIPT
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Chapter 5
Lecture Presentation
Applying Newton’s Laws
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Slide 5-2
NEWTON’S LAWOF
UNIVERSAL GRAVITATION
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LEARNING OBJECTIVES
1. Definition of Newton’s Law of Universal
Gravitation
2. The connection between mg and GmM/r^2
3. The Definition of an inverse-square law
4. The relative magnitude of Forces between
celestial bodies and between two persons in the
room
5. Significance of this law in the advancement in
the understanding of our universe
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Slide 5-4
DOES THE EQUAL AND OPPOSITE FORCE
UNDERSTANDING APPLY TOVERY BIG OBJECTS, LIKE…
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Slide 5-5
WHAT ABOUT…?
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Slide 5-6
WHAT ABOUT…?
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WHAT ABOUT…?
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Slide 5-7
1. DEFINITION OF NEWTON’S LAW OF UNIVERSAL GRAVITATION
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Slide 5-8
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=
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Slide 5-9
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WHAT ABOUT…?
=
m1
?
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Slide 5-10
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G = 6.673 x 10 -11 N m2/kg 2
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Slide 5-11
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Sample Calculation
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Slide 5-12
THINKING PROPORTIONALLY
ABOUT NEWTON'S LAW OF UNIVERSAL
GRAVITATION EQUATION
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Slide 5-13
THINKING PROPORTIONALLY
ABOUT NEWTON'S LAW OF UNIVERSAL
GRAVITATION EQUATION
© 2015 Pearson Education, Inc.
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Slide 5-14
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2. The connection between mg and GmM/r^2
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Slide 5-15
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Slide 5-16
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3. The Definition of an inverse-square
law
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Slide 5-17
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Slide 5-18
THINKING PROPORTIONALLY
ABOUT NEWTON'S LAW OF UNIVERSAL
GRAVITATION EQUATION
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Slide 5-19
THINKING PROPORTIONALLY
ABOUT NEWTON'S LAW OF UNIVERSAL
GRAVITATION EQUATION
© 2015 Pearson Education, Inc.
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4. The relative magnitude of Forces
between celestial bodies and between
two persons in the room
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Slide 5-21
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Sample Calculation
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WHAT IS THE HISTORICAL
SIGNIFICANCE OF NEWTON’S LAW OF UNIVERSAL
GRAVITATION ?
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5. Significance of this law in the
advancement in the understanding of our universe
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Newton’s Law of Gravitation was an
ENORMOUS achievement, because
1. It synthesized the laws that govern motion on
Earth and in the heavens.
2. Newton’s work had a profound effect on
philosophical thought. His research implied that
the universe was a rational place that could be
described by universal, scientific laws.