Engineering and Technology

Effect of grip-enhancing agents on sliding friction between a fingertip and a baseball

T. Yamaguchi, D. Nasu, et al.

Explore the intriguing effects of rosin powder and sticky substances on the friction coefficient between a fingertip and a baseball's leather. Researchers Takeshi Yamaguchi, Daiki Nasu, and Kei Masani reveal how these elements can enhance grip and spin, and uncover differences between NPB and MLB baseballs. Imagine revolutionizing the way players interact with the ball!

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Playback language: English

Index

Abstract

This study examines how rosin powder and sticky substances affect the friction coefficient between a fingertip and a baseball's leather. Sticky substances increase friction, potentially improving ball spin rate, while rosin provides consistent friction. The study also reveals that Nippon Professional Baseball (NPB) baseballs are less slippery than Major League Baseball (MLB) balls, suggesting grip-enhancers have a greater impact on MLB balls. Modifying leather characteristics might reduce reliance on unauthorized sticky substances.

Publisher

Communications Materials

Published On

Dec 15, 2022

Authors

Takeshi Yamaguchi, Daiki Nasu, Kei Masani

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