A 500-Kg Box Is Being Pushed Along a Horizontal Surface by by a Force

question 5

Multiple Choice

A 50.0-kg box is being pushed along a horizontal surface by a force of 250 N directed 28.0° below the horizontal. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?

• A) 0.769 m/s²
• B) 1.77 m/s²
• C) 3.16 m/s²
• D) 6.31 m/s²
• E) 8.53 m/s²

---

Definitions:

Original Cost

The initial monetary value of an asset or investment at the time of its acquisition.

Marginal Tax Rate

The rate at which the next dollar of income will be taxed. Generally the taxpayer’s bracket rate.

Depreciation

The reduction in value of an asset over time, due in particular to wear and tear.

Labor Cost

Labor cost refers to the total expenditure incurred by an employer to compensate its employees, including wages, benefits, and taxes.