A Dump Truck Has a Large Cubical Concrete Block in Its

question 16

Multiple Choice

A dump truck has a large cubical concrete block in its bed.The coefficients of friction between this block and the floor of the bed are µ_k = 0.450 and µ_s = 0.650.As the bed is slowly tilted above the horizontal,will the brick first begin to slide or will it first tip over?

• A) It will first tip over.
• B) It will first begin to slide.
• C) It will tip over just as it begins to slide.
• D) It is impossible to answer without knowing the mass of the block.
• E) It is impossible to answer without knowing the dimensions of the block.

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Definitions:

Sum of Squares

A statistical measure that quantifies the total variation within a set of observations, used in various analyses and calculations.

Total SS

The total sum of squares, a measure used in statistical analysis to represent the total variation in a dataset.

Variation

A measure of how much values in a dataset differ from the mean of the population or from each other.

F-Statistics

A ratio used in ANOVA tests to determine if there are significant differences between group means.