Each of the Four Corners of a Square with Edge

question 35

Multiple Choice

Each of the four corners of a square with edge a is occupied by a point mass m. There is a fifth mass, also m, at the center of the square. To remove the mass from the center to a point far away the work that must be done be an external agent is given by:

• A) 4Gm²/a
• B) -4Gm²/a
• E) 4Gm²/a²

---

Definitions:

Self-Monitor

The act of observing and regulating one's own behavior in social situations to fit into the expected norms or to achieve personal goals.

Nonreactive

A state or characteristic of not responding to stimuli or environmental factors.

Reactive

Responding to stimuli or events after they have occurred, rather than initiating action preemptively.

Independent

The state of being free from outside control or not influenced by others, often used in the context of research to describe variables not affected by others.