Engineering Physics 11 min read
Kepler’s Three Laws
Planetary and Satellite Motion In the early 1600s, Johannes Kepler proposed three laws of planetary motion. Kepler was able to…
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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 an object of mass m was attracted…
Engineering Physics 3 min read
Cavendish and the Value of G
Isaac Newton’s law of universal gravitation proposed that the gravitational attraction between any two objects is directly proportional to the…
Engineering Physics 12 min read
Newton’s Law of Universal Gravitation
Isaac Newton compared the acceleration of the moon to the acceleration of objects on earth. Believing that gravitational forces were…
Engineering Physics 10 min read
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 to develop three laws to…
Engineering Physics 3 min read
Gravity is More Than a Name
Universal Gravitation Nearly every child knows of the word gravity. Gravity is the name associated with the mishaps of the milk spilled…
Engineering Physics 13 min read
Athletics
Circular motion is common to almost all sporting events. Whether it is sports car racing or track and field, baseball…
Engineering Physics 21 min read
Roller Coasters and Amusement Park Physics
People are wild about amusement parks. Each day, we flock by the millions to the nearest park, paying a sizable…
Engineering Physics 10 min read
Newton’s Second Law – Revisited
Applications of Circular Motion Newton’s second law states that the acceleration of an object is directly proportional to the net force…
Engineering Physics 8 min read
Mathematics of Circular Motion
There are three mathematical quantities that will be of primary interest to us as we analyze the motion of objects in circles.…
Engineering Physics 7 min read
The Forbidden F-Word
When the subject of circular motion is discussed, it is not uncommon to hear mention of the word centrifugal. Centrifugal, not to…
Engineering Physics 14 min read
The Centripetal Force Requirement
An object moving in a circle is experiencing an acceleration. Even if moving around the perimeter of the circle with…