In a Stable Stack of Identical Boards at the Edge

question 54

Multiple Choice

In a stable stack of identical boards at the edge of a table, the center of gravity of the top board

• A) must lie above the table.
• B) need not lie over anything.
• C) must lie above the bottom board.
• D) must lie above the next lower board.

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Definitions:

Feedback

Information provided as a response to an action or behavior, intended to guide future actions.

Tensions

The state of being stretched tight, often referring to mental or emotional strain resulting from challenging situations.

Obliging

Willingness to do a service or kindness; readily performing favors or good deeds.

Concern

A matter of interest or importance to someone.