Question: "emulsion" used in the same way in the following two sentences?

An oil-in-water emulsion.

Mayonnaise is an emulsion where egg is used to keep oil and water mixed.
Answer: the same meaning
Question: "crack" used in the same way in the following two sentences?

To crack a whip.

The performance was fine until he cracked that dead baby joke.
Answer: different meanings
Question: "approach" used in the same way in the following two sentences?

Don't approach that house.

We were approaching our destination.
Answer: the same meaning
Question: "check" used in the same way in the following two sentences?

Check your luggage before boarding.

She checked for an instant and missed a step.
Answer:
different meanings