When a metal bar is mechanically held at one end, it permits the amount of expansion to be in one direction.

Name: When a metal bar is mechanically held at one end, it permits the amount of expansion to be in one direction.
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Question

Quizplus · Accepted Answer

When a metal bar is mechanically held at one end, it restricts expansion in the direction of the hold, allowing the bar to expand primarily in the opposite direction. This is due to the constraint imposed on the bar, which limits its ability to expand freely in all directions.

When a Metal Bar Is Mechanically Held at One End