Isaac Newton Was Able to Estimate a Value for G

question 9

Essay

Isaac Newton was able to estimate a value for G, the universal gravitational constant, from the following data: the radius of the Earth is about 6 400 km, the average density of rocks is about 5.50 g/cm³, and g = 9.80 m/s² near the surface of the Earth. What value did Newton obtain for G?

---

Definitions:

Parkinson Disease

A degenerative neurological disorder marked by decreased dopamine levels, leading to symptoms like tremors, stiffness, and slow movement.

Electron Microscopic

Pertains to electron microscopy, a technique that uses a beam of accelerated electrons as a source of illumination to create high-resolution images of the fine details of a sample.

Synapses

Junctions between two neurons where electrical or chemical signals are transmitted from one cell to another.

Imprinting

Formation of an attachment by an animal to one or more objects or animals at a critical period in development.