Gravity.

Newton realized that the same force that makes an apple fall to the ground also keeps the moon in its orbit around Earth. Explore this force, called gravity, by focusing on circular orbits. End by analyzing why an orbiting spacecraft has to decrease its kinetic energy in order to speed up.

Bibliographic Details

Corporate Author:	Kanopy (Firm)
Format:	Video
Language:	Undetermined
Language Notes:	In English
Published:	[San Francisco, California, USA] : Kanopy Streaming, 2015.
Subjects:	Applied Science K-12 Nonfiction films. Internet videos.
Online Access:	Connect to this streaming video