Yes.
Yes you do, even the travel to Ireland from the UK has now been restricted to passport holders only.
If you are talking about Shrewsbury in England, then as both are in England you will not need a passport to travel there.
Yes.
Yes, you will need a passport at each end of the journey.
No
Yes
You will not require a passport to travel from Sunderland, England to Falkirk, Scotland.
No
Yes.
yes dumbo
Yes, you need a passport to travel from England to anywhere outside the EU. You may need a passport, or other acceptable ID for countries in the EU.
only if you are going to Northern Ireland, you need a passport to travel between England and Ireland.