Talk:dynamics

Plural or uncountable?
Surely this is (at least sometimes) uncountable as an English noun? The first two work perfectly for me; I'm ambivalent on the third sentence;  the last one doesn't work for me at all.
 * 1) In our first mechanical engineering class we were introduced to the topic of spring dynamics.
 * 2) We were shown three different springs, and each spring's dynamics was discussed in turn.
 * 3) We were shown three different springs, and each spring's dynamics were discussed in turn.
 * 4) *So we studied a total of three dynamics.

—DIV (49.186.234.174 10:45, 25 October 2022 (UTC))