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

A leak in a gas pipe.

A leak in a roof.
Answer: the same meaning
Question: "do" used in the same way in the following two sentences?

Do research.

This car does 150 miles per hour.
Answer: different meanings
Question: "baby" used in the same way in the following two sentences?

The annual report has been my baby since September.

When is your baby due?
Answer: different meanings
Question: "work" used in the same way in the following two sentences?

I will work hard to improve my grades.

He's working in a bar.
Answer:
the same meaning