A Person Pushes Horizontally on a Heavy Box and Slides

question 1

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 6.88 m, 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 6.88 m. How much total work did the person do on the box?

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

---

Definitions:

Well Educated

Describes a person who has undergone extensive formal education, possessing a wide range of knowledge and intellectual skill.

Middle-class

A socioeconomic group between the working class and the upper class, typically associated with a moderate level of income, education, and occupational prestige.

SIDS

Sudden Infant Death Syndrome is the unexpected demise of an apparently healthy infant under one year old, typically occurring during sleep without any clear reason.

Sudden Unexplained Death

The occurrence of death without an obvious cause, determined after thorough investigation and autopsy.