A Very Light Ideal Spring Stretches By $21.0 \mathrm {~cm}$ When It Is Used to Hang a 135-N Object

question 60

Multiple Choice

A very light ideal spring stretches by $21.0 \mathrm {~cm}$ when it is used to hang a 135-N object. What is the weight of a piece of electronic equipment that would stretch the spring by $44.9 \mathrm {~cm}$ if you hung the equipment using the spring?

• A) 289 N
• B) 63 N
• C) 176 N
• D) 405 N

---

Definitions:

Units

The basic quantity or measurement, such as meter, kilogram, or liter, in terms of which something is considered or measured.

Quasilinear Utility Functions

Utility functions where consumers' utility is linear in one argument, typically representing money, allowing for easy analysis of changes in wealth.

Edgeworth Box

An Edgeworth Box is a visual representation used in microeconomics to show the distribution of resources or the optimal allocation between two individuals, demonstrating how both can benefit through trade.

Pareto Optimal Allocations

A condition of resource allocation where it's impossible to make any one individual better off without making at least one individual worse off, emphasizing the concept of efficiency in economic distribution without losses.