impetus is given to the projectile just as heat is given to water by a fire

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Categories: Comparisons

An example of an analogy from the history of science:

"Ibn Sina was the first Muslim scientist to revise the impetus theory of John Philoponus, an attempt to explain why a projectile continues to move after it is fired. He. described this impetus as a 'borrowed power' given to the projectile by the source of motion, 'just as heat is given to water by a fire'."

John Freely

Freely, J. (2012). Before Galileo. The birth of modern science in Medieval Europe.

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[Please be aware that a word may have different nuances, or even a different meaning, according to context.]« Back to Index

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.