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Posted inEngineering Physics
Energy Relationships for Satellites
The orbits of satellites about a central massive body can be described as either circular…
Posted inEngineering Physics
Weightlessness in Orbit
Astronauts who are orbiting the Earth often experience sensations of weightlessness. These sensations experienced by…
Posted inEngineering Physics
Mathematics of Satellite Motion
The motion of objects is governed by Newton's laws. The same simple laws that govern…
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Circular Motion Principles for Satellites
A satellite is any object that is orbiting the earth, sun or other massive body.…
Posted inEngineering Physics
Kepler’s Three Laws
Planetary and Satellite Motion In the early 1600s, Johannes Kepler proposed three laws of planetary…
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The Value of g
In the previous topic, an equation was given for determining the force of gravity (Fgrav) with which…
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Cavendish and the Value of G
Isaac Newton's law of universal gravitation proposed that the gravitational attraction between any two objects…
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Newton’s Law of Universal Gravitation
Isaac Newton compared the acceleration of the moon to the acceleration of objects on earth.…
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The Apple, the Moon, and the Inverse Square Law
In the early 1600's, German mathematician and astronomer Johannes Kepler mathematically analyzed known astronomical data in order…
Posted inEngineering Physics
Gravity is More Than a Name
Universal Gravitation Nearly every child knows of the word gravity. Gravity is the name associated with…