Article,

The Motion of Curling Rocks: Experimental Investigation and Semi-Phenomenological Description

, and .
Canadian Journal of Physics, 82 (10): 791-809 (2004)Accession Number: SPHS-961465; Author: Jensen, E.T. Author: Shegelski, M.R.A. ; No. of Pages: 19; Language: English; Parent Item: SPHP961427; Publication Type: Journal article; URL; Update Code: 20050501; SIRC Article No.: S-961465.

Abstract

This study uses a semi-phenomenological model to examine curling-rock trajectories. Two physicists examine why a curling stone curls, or moves laterally, in a counter-intuitive direction. An ice surface underlain with a detailed grid pattern was created and using a suspended video camera the widest possible range of shots were recorded. Results support the idea that the rock rides upon a thin liquid film created on the surface of the ice. It was deduced that this quasi-liquid reverses the dominant frictional force on the stone.

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