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This lesson introduces students to the early history of airplane flight.
This reading introduces students to pulleys. It describes how a basic pulley works and explains the mechanical advantage of pulleys.
This reading introduces students to six simple machines as recognized by physicists. It explains the functions of each simple machine and provides easy to understand examples.
Phone: 1 (403) 244-5625
The Darakht-e Danesh Library
PO Box 86016 Marda Loop Calgary, AB T2T 6B7www.email@example.com
1 (403) 244-5625
The Darakht-e Danesh Library PO Box 86016 Marda Loop, Calgary, AB T2T 6B7