Posted inFeatured
Posted inStrength of Materials
Sir Isaac Newton and the Acceleration of Gravity
In A previous Topic we watched a video of Astronauts Scott and Irwin simultaneously dropping…
Posted inStrength of Materials
Computing Potential Energy
Previous Topic we discovered that objects acquire potential energy as it relates to gravity based…
Posted inStrength of Materials
Calculation of the Effect of Machines — How to Calculate Kinetic Energy
Last time we learned kinetic energy as the energy of movement. Today we’ll see how to…
Posted inStrength of Materials
Gravity and the Mass of the Sun
As a young school boy I found it hard to believe that scientists were able…
Posted inStrength of Materials
How Big is the Sun?
Last time we calculated the sun’s force of gravity acting upon Earth. It was the final…
Posted inStrength of Materials
What is Earth’s Mass?
Last time we learned how Henry Cavendish used Christiaan Huygens’ work with pendulums to determine…
Posted inStrength of Materials
The Scale of the Solar System
Kepler's laws agree with all observed planetary motions, and by the table in the previous…
Posted inStrength of Materials
Transit of Venus
Fig. 1 The 2004 Venus transit observed from 3 locations by the GONG collaboration Kepler's third law allows one…
Posted inStrength of Materials
Calculating the Distance to the Sun
We’ve been paying a lot of attention to Venus and its orbital patterns, as did…
Posted inStrength of Materials
Earth’s Orbital Velocity
As Already Discussed Newton’s equation to calculate the sun’s gravitational force acting upon Earth, and…