Rotational Energy, Affects a Tennis Ball's Motion

This page is the CodyCross answer for the clue below from Mesopotamia, Group 977, Puzzle 3 (Barren Plains).

Question is: Rotational Energy, Affects a Tennis Ball's Motion

and the answer is: TOPSPIN

Word Meaning:

TOPSPIN — A rotational motion, especially that given to a ball, in which the upper surface spins in the direction of motion.

Definitions from Wiktionary.

Rotational Energy, Affects A Tennis Ball's Motion - Mesopotamia CodyCross Answers | CodyCross Solutions