Close Imposters: Balance, Support, and Deformation
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.
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