HS-PS2-4

Use mathematical representations of Newton's Law of Gravitation and Coulomb's Law to describe and predict the gravitational and electrostatic forces between objects.

 
37 Lesson(s)
   

Going Full Circle on Gravity and Orbits - Day 1

High School Physics » Unit: Forces in Two Dimensions
High School Physics » Unit: Forces in Two Dimensions
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

The equations for period and velocity for a satellite moving in a circular orbit can be derived by combining Newton's Universal Law of Gravity and the centripetal force equations.

 
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advanced composition explorer in space
   

The First Universal Law: Gravity

High School Physics » Unit: Forces in Two Dimensions
High School Physics » Unit: Forces in Two Dimensions
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

Newton's law of universal gravitation states that any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

 
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thought
   

Going Full Circle on Gravity and Orbits - Day 2

High School Physics » Unit: Forces in Two Dimensions
High School Physics » Unit: Forces in Two Dimensions
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

There is one radius where a satellite's orbital period matches the rotation rate of the body and, if it is over the equator, it is a geostationary orbit.

 
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j track
   

Introduction to Electrostatics, Day 1

High School Physics » Unit: Electrostatics
High School Physics » Unit: Electrostatics
Anna Meyer
Park Ridge, IL
Environment: Suburban
 
Big Idea:

Students complete a reading activity to learn and teach each other about electrostatics.

 
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jigsaw lesson
   

Rotation of a Ladybug

High School Physics » Unit: Rotational Motion - Part I
High School Physics » Unit: Rotational Motion - Part I
Sara Leins
Scottsdale, AZ
Environment: Suburban
 
Big Idea:

Students send ladybugs for a ride on a merry-go-round in an online simulation.

 
Resources (15)
 
Reflections (1)
   

Coulomb's Law

High School Physics » Unit: Electrostatics and Circuits
High School Physics » Unit: Electrostatics and Circuits
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

The electric force is many trillions of times stronger than the gravitational force.

 
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Resources (16)
 
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coulombs law
   

Deriving Universal Gravitation

High School Physics » Unit: Rotational Motion - Part I
High School Physics » Unit: Rotational Motion - Part I
Sara Leins
Scottsdale, AZ
Environment: Suburban
 
Big Idea:

Students think like Newton and use a computer simulation to explore the law of universal gravitation.

 
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universal
   

Atomic Charge

High School Physics » Unit: Electrostatics and Circuits
High School Physics » Unit: Electrostatics and Circuits
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

Electrostatic forces are the result of charge: protons have positive charge and electrons have negative charge.

 
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vdg
   

Forces and Work Revisited

High School Physics » Unit: Electrostatics
High School Physics » Unit: Electrostatics
Timothy Brennan
Woodstock, VT
Environment: Rural
 
Big Idea:

Work can be calculated as the area under a force versus distance graph.

 
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coulombs law image
   

Exploring Orbits Where the Centripetal Force is Gravity

High School Physics » Unit: Forces in Two Dimensions
High School Physics » Unit: Forces in Two Dimensions
Jameson Parker
Danbury, CT
Environment: Suburban
 
Big Idea:

For a planet traveling in a circular orbit, the force of gravity is the centripetal force and the tangential velocity is required to keep the planet in orbit.

 
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gravity
   

Electric Potential Energy - Introduction

High School Physics » Unit: Electrostatics
High School Physics » Unit: Electrostatics
Timothy Brennan
Woodstock, VT
Environment: Rural
 
Big Idea:

There are several kinds of potential energy, including electric potential energy.

 
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Resources (17)
 
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Enhancing Our Model of Work - Revisited

High School Physics » Unit: Electrostatics
High School Physics » Unit: Electrostatics
Timothy Brennan
Woodstock, VT
Environment: Rural
 
Big Idea:

Adjusting our computational model of work in light of new shared ideas is a great science practice!

 
Resources (19)
 
Reflections (1)
riemann sum convergence
   

Introducing Gravitational Field Strength

High School Physics » Unit: Lessons from Galileo
High School Physics » Unit: Lessons from Galileo
Tenicka Norwood
New York, NY
Environment: Urban
 
Big Idea:

Gravitational field strength is directly proportional to a celestial body's mass and inversely proportional to a celestial body's radius squared.

 
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gravitational field
   

Introduction to Angular Motion

High School Physics » Unit: Rotational Motion - Part I
High School Physics » Unit: Rotational Motion - Part I
Sara Leins
Scottsdale, AZ
Environment: Suburban
 
Big Idea:

Students roll into a unit on circular motion as they define theta, omega, and alpha (oh my)!

 
Resources (18)
 
Reflections (1)
rotating
   

Exploring Kepler's Three Laws

High School Physics » Unit: Rotational Motion - Part I
High School Physics » Unit: Rotational Motion - Part I
Sara Leins
Scottsdale, AZ
Environment: Suburban
 
Big Idea:

Students read all about Kepler's Law in an exploration activity today.

 
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kepler s
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