A 18-Kg Block Is Released from Rest at the Top of of a Rough

question 84

Multiple Choice

A 1.8-kg block is released from rest at the top of a rough 30° inclined plane. As the block slides down the incline, its acceleration is 3.0 m/s² down the incline. Determine the magnitude of the force of friction acting on the block.

• A) 4.2 N
• B) 3.0 N
• C) 3.4 N
• D) 3.8 N
• E) 2.3 N

---

Definitions:

Developmental Psychologists

Professionals who study the psychological growth and development that occur throughout a human's life, from infancy through adulthood.

Grow Over Time

A process of development or increase in size, complexity, or scope over a period.

Industrial/Organizational Psychologists

Professionals who apply psychological principles and research methods to workplace issues to improve employee performance and well-being.

Workplace

The physical or virtual location where an individual performs their job duties.