For a Popular Class Demonstration,your Physics Instructor Uniformly Heats a Bimetallic

For a popular class demonstration,your physics instructor uniformly heats a bimetallic strip that is rigidly clamped vertically downward.As a result,the bimetallic strip bends to the right.Now your instructor uniformly cools the bimetallic strip by immersing it in liquid nitrogen.He asks you to predict in which direction the bimetallic strip will bend this time.

A) to the right
B) to the left

Correct Answer:

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