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World without weight$
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Daniel Povinelli

Print publication date: 2011

Print ISBN-13: 9780198570967

Published to Oxford Scholarship Online: January 2012

DOI: 10.1093/acprof:oso/9780198570967.001.0001

Close Imposters: Balance, Support, and Deformation

Chapter:
(p. 205 ) Chapter 7 Close Imposters: Balance, Support, and Deformation
Source:
World without weight
Author(s):

Jennifer Vonk

James E. Reaux

Daniel J. Povinelli

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198570967.003.0007

This chapter describes a series of studies that explored how chimpanzees would react to simple mechanical systems (involving highly familiar materials) in which they needed to place an object of non-negligible weight at rest on one of two support structures — one of which would allow the object to stay at rest, the other of which would not. The results revealed that the chimpanzees (either immediately, or fairly rapidly) were able to select supports that would firstly, allow an object to stay at rest on their surface; and secondly, not deform or collapse once the object were placed upon it.

Keywords:   weight, chimpanzees, mechanical systems, stability

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