The role of effective lever length in the perception of lifted weights |
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Authors: | Christopher M. Davis |
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Affiliation: | 1. Department of Psychology, Simon Fraser University, Burnaby, B.C, Canada
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Abstract: | Objects are lifted through a system of body levers and, since the force required to lift objects decreases as the effective lever length is shortened, it was hypothesized that the perceived heaviness of objects would be less when they were lifted with the elbow bent than with it extended. Cans lifted from greater initial angles were consistently judged to be lighter by blindfolded Ss. |
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