A Rope Pulls on the Lower Block in the Figure

question 43

Multiple Choice

A rope pulls on the lower block in the figure with a tension force of 20 N.The coefficient of kinetic friction between the lower block and the surface is 0.16.The coefficient of kinetic friction between the lower block and the upper block is also 0.16.The pulley has no appreciable mass or friction.What is the acceleration of the 2.0 kg block?

• A) 4.1 m/s²
• B) 5.1 m/s²
• C) 8.4 m/s²
• D) 9.2 m/s²

---

Definitions:

Suicidal Ideation

The consideration or contemplation of ending one's own life, often considered a psychological symptom or condition.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception and inappropriate actions.

Random Sample

A sample drawn in such a way that every member of the population has an equal chance of being selected.

True Effect

The actual impact or influence that an intervention or variable has in an experiment, distinguishing from effects that may result from random chance or confounding factors.