Cows and Bulls

This page is the CodyCross answer for the clue below from Physics, Group 1883, Puzzle 1 (Potential Energy).

Question is: Cows and Bulls

and the answer is: 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.