Forces Movie Review 1961

Demonstrations prove that three kinds of forces act between objects not touching each other: magnetic, electrical, and gravitational.

Distribution

Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com

Available on VHS
Running time 13 minutes.

Cast and Crew

Genres

Physics

Producer

Encyclopedia Britannica Educational Corporation, Albert V. Baez