OpenStax
Open Stax: Newton's Universal Law of Gravitation
In the following interactive students will explain Earth's gravitational force and describe the gravitational effect of the Moon on Earth. They will discuss weightlessness in space and examine the Cavendish experiment.
Texas Education Agency
Texas Gateway: Newton's Universal Law of Gravitation
By the end of this section, you will be able to explain Earth's gravitational force, describe the gravitational effect of the Moon on Earth, discuss weightlessness in space, and understand the Cavendish experiment.
Vision Learning
Visionlearning: Mechanics: Gravity: Newtonian Relationships
Explanation of how astronomers and scientist developed the current theories of gravity.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measuring the Gravitational Constant, G
A demonstration/lab idea for determining the numerical value of the universal gravitation constant using a torsion balance.
Physics Classroom
The Physics Classroom: Cavendish and the Value of G
A short description of how Cavendish measured the value of G - the universal gravitation constant and supported Newton's theory. Illustrated.