ERIC Number: EJ509023
Record Type: CIJE
Publication Date: 1994
Reference Count: 0
A Medieval Example of Energy Conservation.
Porter, William S.; Tremblay, Robert E.
Physics Teacher, v32 n8 p476-77 Nov 1994
Discusses the operation of the trebuchet, a medieval device used to throw objects over castle walls. The trebuchet does not use torsion or elasticity for power, only gravity. Provides mathematical computations to find the velocity of thrown objects. (MVL)
Publication Type: Guides - Classroom - Teacher; Journal Articles
Education Level: N/A
Authoring Institution: N/A