A Simple Machine Allows You to Move _________ Masses Even

question 9

Multiple Choice

A simple machine allows you to move _________ masses even though you apply _________.

• A) larger; smaller force over a longer distance
• B) smaller; kinetic energy spread over the entire path
• C) stationary but not moving; many Newtons of force
• D) smaller; potential energy deficits

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Definitions:

Expected Frequency

In statistics, the frequency expected in a category of a contingency table under the assumption that the null hypothesis is true.

Chi-Square

A statistical test that measures the difference between observed and expected frequencies in categorical data.

Row Variable

In the context of a data table or matrix, it refers to the variable represented by the rows, often used in cross-tabulation to compare against another variable.

Column Variable

A variable represented by a column in a dataset, where each entry in the column represents a value of the variable.