A 200 N Box Is Pushed Up an Incline That

question 2

Multiple Choice

A 200 N box is pushed up an incline that is 5.00 m long and rises 1 m.If the incline is frictionless,then the work done by the pushing force is

• A) 336 J.
• B) 305 J.
• C) 275 J.
• D) 200 J.
• E) 157 J.

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Definitions:

Rejection Regions

Specific areas in the distribution of a test statistic that, if the observed test statistic falls within, will lead to the rejection of the null hypothesis.

Standardized Test Statistic

A calculated statistic that measures the number of standard deviations a sample statistic lies from the null hypothesis, used in hypothesis testing.

Hypotheses

Statements set up for a statistical test that express the relationship between variables. There is usually a null hypothesis (no effect) and an alternative hypothesis (effect present).

Sigma

A symbol (σ) used in statistics to represent the standard deviation of a population.