Here’s a brief, probably one minute, video to help you see how you can play with a relaxed Right Hand. At a Christian Guitar Convention I taught at a few years ago, I was surprised that out of 2 classes, maybe 50 students, only 2 had relaxed right hands. Most people play with way too much tension. It takes a lot of strength to play, but it’s easier to play if you relax between each note, or pluck.
A famous violinist said the same. Apparently in a Master’s Class this gentleman played a blazing fast instrumental. One of the students sighed and said something about how the piece must be exhausting to play. The Master replied, No, that he relaxed between each note.
Anyway… click on the image below to see the video. Hope it helps you.