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

Do you want to work after the age of 60?

He works his parents for sympathy.
Answer: different meanings
Question: "back" used in the same way in the following two sentences?

Which horse are you backing in this race?

Back this enterprise.
Answer: the same meaning
Question: "readiness" used in the same way in the following two sentences?

Putting them in readiness.

"A happy readiness of conversation" -- Jane Austen.
Answer: different meanings
Question: "block" used in the same way in the following two sentences?

Block a muscle.

Block trains.
Answer:
different meanings