Understanding Newton’s Universal Law of Gravitation. Including a dramatization of The Cavendish Experiment and force visualization via qualitative examples.

Universal Law of Gravitation explores Newton’s Universal Law of Gravitation by defining and providing examples.

Calculus based review of Universal Gravitation including Newton’s Universal Law of Gravitation, solving for the acceleration due to gravity in a constant gravitational field, universal gravitational potential energy, graphing universal...

Coulomb’s Law is introduced and compared to Newton’s Universal Law of Gravitation. “Point Charge” is defined. Micro, Nano, and Pico prefixes are explained. Two basic example problems are solved. And a the fact that the electric force is...

Master Newton’s law of universal gravitation through intuitive explanations, real-world examples, and full vector analysis. Learn how to calculate gravitational force, understand the inverse square law, and apply Newton’s third law in...

How Much is a Mermaid Attracted to a Doughnut? A practical, everyday example of Newton’s Universal Law of Gravitation.

In this video Paul Andersen explains why astronauts are weightless. He also explains how Newton's Universal Law of Gravitation can be used to calculate the gravitational force between objects.

Hank continues our series on the four fundamental forces of physics with a description of gravitation -the interaction by which physical bodies attract with a force proportional to that of their masses, and which is responsible for...

In a poll of the 50 of the most respected scientists, only one man was on every list at or near the top - Greatest scientist of all time. The birth of physics starts: Isaac Newton had many...

This video discusses the principle of force and the application of Newton's Three Laws of Motion. Students will witness the effect of friction on force and see how force is calculated. Other terminology includes: inertia, weight, mass,...

This video discusses the principle of force and the application of Newton's Three Laws of Motion. Students will witness the effect of friction on force and see how force is calculated. Other terminology includes: inertia, weight, mass,...

This video discusses the principle of force and the application of Newton's Three Laws of Motion. Students will witness the effect of friction on force and see how force is calculated. Other terminology includes: inertia, weight, mass,...

You thought we were all done with Newton, didn't you? You figured that three laws are enough for any scientist. Well think again! Newton was quite the champ, and his work with gravity was revolutionary. I mean, the guy invented calculus...

Throughout history, there has been much speculation about what the fate of the universe would be. Many theorized that the universe would eventually succumb to the pull of gravity, and reverse its expansion in what was being called ‘The...

What is Dark Matter? -- What if I told you that there may be trillions of particles going through your body right now, and you can’t see it, hear it, or touch it.



And that...

This video discusses the principle of force and the application of Newton's Three Laws of Motion. Students will witness the effect of friction on force and see how force is calculated. Other terminology includes: inertia, weight, mass,...

Universal Gravitational Potential Energy is introduced and graphed. It is compared to the force of gravity. And the “zero line” is defined.

Calculus is used to derive the Universal Gravitational Potential Energy equation. This is an AP Physics C: Mechanics topic.
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Thanks to the Heising Simons Foundation ( for their support of this video, and of short range gravity research.



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Paul Andersen explains how objects interact when touching and at a distance. Electromagnetic forces are very important when objects are touching and fields explain both electromagnetic and gravitational forces. The strong and weak...

I'm sure you've all heard about Isaac Newton and that apple that fell on his head and how that was a huge deal to our understanding of gravity. Well... let's talk about that. In this episode of Crash Course Physics, Shini sits down to...

It explains gravitation, force of gravity and gravitational force. It talks about the universal law of gravitation and its importance.

Derive the acceleration due to gravity on any planet. Find the acceleration due to gravity on Mt. Everest. And determine how much higher you could jump on the top of Mt. Everest!

Calculate the altitude of a satellite in geostationary orbit which is an orbit with the same 24 hour period as the Earth and always located directly over the same location on the equator. Geostationary orbit is a special case of...