A Person Pushes Horizontally on a Heavy Box and Slides

question 27

Multiple Choice

A person pushes horizontally on a heavy box and slides it across the level floor at constant velocity.The person pushes with a 60.0 N force for the first at which time he begins to tire.The force he exerts then starts to decrease linearly from 60.0 N to 0.00 N across the remaining How much total work did the person do on the box?

• A) 619 J
• B) 826 J
• C) 495 J
• D) 925 J

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Definitions:

CPI

Consumer Price Index, a measure that examines the weighted average of prices of a basket of consumer goods and services, typically indicating inflation or deflation.

CPI Rose

Refers to an increase in the Consumer Price Index, indicating that the average prices of consumer goods and services have gone up, often a measure of inflation.

$7 Per Hour

A specified wage rate where an individual or worker is paid seven dollars for each hour worked.

Purchasing Power

The economic value of a currency depicted by the number of goods or services obtainable by a single monetary unit.