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# Day 16 - Newton & Kepler (Notes)

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by

## Nathaniel Benson

on 8 September 2015

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#### Transcript of Day 16 - Newton & Kepler (Notes)

Bellwork
1. What do you think the difference between weight and mass is?
2. When you're in a car that is making a sharp turn, why does your body feel pulled in the opposite direction of the turn?
3. What shape is the Earth's orbit around the Sun?
Key Terms

Newton's Laws
Inertia:
Force:
Acceleration:
Gravity:
Kepler's Laws of Orbits
Law of Ellipses:
Planets have oval-shaped orbits
Law of Equal Areas:

Planets accelerate as they get closer to the Sun.
Law of Periods:
Closer to the sun = shorter year
Key Terms:
Eccentricity:
Orbit:
Orbital Period:

Newtons Laws
Inertia
Force
Equal and Opposite Reactions
Brain Teaser:
Paul the butcher is 5 feet tall
Has 4 shoes, they're size 5 all
His 2 eyes grey, his hair is blue
And so I have a quiz for you.
We know all of Paul that's on display,
except.. what has Paul weighed all day?
Kepler's Laws
Law of Ellipses
Law of Equal Areas
Law of Periods
Materials: Notebook + Pen/Pencil
p. 8
p. 7
Summary:
Key terms
Definitions/Notes:
Laws of Motion
Newton's Laws of Motion
1st Law -
Inertia
:
2nd Law - Force:
Mass:
Acceleration:
3rd Law:
Kepler's Laws of Orbits
1st Law:
Eccentricity:
2nd Law:
3rd Law:
Orbit
Focus
Satellite
1 "lap" = 1 orbital PERIOD
1 period = 1 year
Smaller orbit = shorter year
Visual Aid (page 8)
Purpose:
Model the forces of motion.

LEQs:
What are the “rules” that moving objects, like planets, follow?

(page 8)
Law of Equal Areas
Focus
Both areas are equal.
Newton's 3 Laws

1.

2. F = m*a

3.
p.7 - Motion Lab
p.8 - Newton & Kepler's Laws
Key Terms

Newton's Laws
Inertia:
Force:
Acceleration:
Gravity:
Kepler's Laws of Orbits
Law of Ellipses:
orbits are ELLIPTICAL (oval-shaped)
Law of Equal Areas:

Planets accelerate as they get closer to the Sun.
Law of Periods:
Closer to the sun = shorter year
Key Terms:
Eccentricity:
How "squished" an orbit is.
Orbit:
Orbital Period:
Length of a year
Full transcript