Cows and Bulls
This page is the CodyCross answer for the clue below from Physics, Group 1883, Puzzle 1 (Potential Energy).
Question
Cows and Bulls
Answer
CATTLE
Word Meaning:
CATTLE — Domesticated animal of the species Bos taurus (cows, bulls, steers, oxen etc), and other hoofed mammals of the genus Bos.
Definitions from Wiktionary.