A Chain Weighing $4 \mathrm { lb } / \mathrm { ft }$

question 70

Short Answer

A chain weighing $4 \mathrm { lb } / \mathrm { ft }$ hangs vertically from a winch located $11 \mathrm { ft }$ above the ground, and the free end of the chain is just touching the ground. Find the work done by the winch in pulling in the whole chain.

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Definitions:

ANOVA Model

A statistical technique that assesses potential differences in a scale-level dependent variable by a nominal-level variable having 2 or more categories.

F Statistic

A ratio used in an analysis of variance test that determines the significance of groups’ differences in an experimental design.

ANOVA

An acronym for Analysis of Variance, a statistical method used to compare the means of three or more samples.

Main Effect

The direct effect of an independent variable on a dependent variable in experimental and statistical analysis.