Three Boxes Are Connected by Stretchless Strings and Are Pulled

question 117

Multiple Choice

Three boxes are connected by stretchless strings and are pulled by a force as shown in the figure. Which string has to be the strongest so as not to break?

• A) A
• B) B
• C) C
• D) A, B, and C must be equally strong.
• E) A and B must be equally strong.

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Definitions:

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two or more goods given a set of inputs (resources), assuming all inputs are used efficiently.

Unemployment Rate

The share of the working group that is currently without a job and actively on the lookout for one.

Specializing Exclusively

Involves focusing production or economic activities on a single area or product to maximize efficiency and expertise.

Recession

A momentary economic deflationary period, seen in reduced levels of trade and manufacturing, commonly characterized by a GDP drop for two sequential quarters.