A 200-N Crate Rests on an Ramp;the Maximum Angle Just $\degree$

question 54

Multiple Choice

A 200-N crate rests on an ramp;the maximum angle just before it slips is 25 $\degree$ with the horizontal.What is the coefficient of static friction between crate and ramp surfaces?

• A)0.11
• B)0.21
• C)0.38
• D)0.47

---

Definitions:

Chi-squared Distributed

Pertains to a statistical distribution one typically employs to evaluate the goodness-of-fit of observed data with theoretical expectations.

Randomized Block Model

A statistical model used to remove the variability caused by known but irrelevant variables by grouping similar experimental units.

Nonparametric Counterpart

An equivalent statistical method or technique that does not assume the data follows any specific fixed distribution, often used as an alternative to traditional parametric tests.

Analysis of Variance

A statistical method used to test the difference between two or more means by examining the variances.