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# Universal Law of Gravity

## Gravity is a constant force of attraction felt between all objects in the universe.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Universal Law of Gravity

Students will learn to use Newton's Universal Law of Gravity equation to solve problems. They will also learn how the acceleration of gravity on Earth is calculated and a bit about gravitational fields in general.

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## Universal Law of Gravity

Describes Isaac Newton's universal law of gravitational attraction.

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• Interactive Simulations

## Space Station

Learn about orbits in the context of a next generation space station.

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• Interactive Simulations

## Clarke's Dream

Learn about geosynchronous orbits and their use in satellite communication.

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• Interactive Simulations

## Newton's Apple

Learn about the universal law of gravity and the role Newton played in relating terrestrial and celestial mechanics to one another.

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• Simulation

## Gravity and Orbits

Shows how distance between bodies affects gravity and orbits.

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• PLIX

## Universal Law of Gravity: Similar Size and Mass

Universal Law of Gravity Interactive

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• Video

## Rocket Science

An explanation of how rockets work.

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• Video

## The Tides

How do tides work?

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• Video

## Minute Physics: What is Gravity?

A quick overview of what gravity is and how it applies to physics.

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• Practice
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## Universal Law of Gravity Quiz - PPB

Tests conceptual understanding of universal gravitation and calculation of force due to gravity between two objects.

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## Universal Law of Gravity Quiz

Reviews Newton's universal law of gravitational attraction and how to solve gravity problems.

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• Critical Thinking

## Universal Law of Gravity Discussion Questions

A list of student-submitted discussion questions for Universal Law of Gravity.

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## Universal Law of Gravity

This is an activity for students to complete while reading the Universal Law of Gravity Concept

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• Real World Application

## Earth's Orbit

Explore the motion of heavenly bodies.

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• Study Guide

## Gravitation Study Guide

This study guide looks at gravitation, Kepler's laws of planetary motion, and satellite motion.

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