Q: Does "serve" have the same meaning in the following two sentences?

They serve a restricted role on the bench.

He had served in financial planning positions.

OPTIONS:
- different meanings
- the same meaning

A: the same meaning

Q: Does "tension" have the same meaning in the following two sentences?

The direction of maximum tension moves asymptotically toward the direction of the shear.

There is a tension between these approaches to understanding history.

OPTIONS:
- different meanings
- the same meaning

A: different meanings

Q: Does "plagiarism" have the same meaning in the following two sentences?

Even if it's not illegal, plagiarism is usually frowned upon.

Copy from one, it's plagiarism. Copy from two, it's research.

OPTIONS:
- different meanings
- the same meaning

A:
the same meaning