Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : September 05, 2021 - September 08, 2021
A short movie was uploaded to YouTube, which is an online video sharing and social media platform. The short movie explains a force balance that a junior high school students in Japan studies, and neck-dive of electric bass guitar is treated in the explanation. In case of electric bass guitar or electric guitar, a strap shows the direction of force, and the strap pin shows where the force pulled by the strap act on. Force balance on an electric bass guitar or an electric guitar effects on the tilt of the electric bass guitar or the electric guitar. In the movie, the position of center of gravity in the electric bass guitar is estimated, and the estimation method is demonstrated. The tilt of each the electric guitar or the electric bass guitar is affected by the disposition of neck side strap pin and center of gravity. When two straps hung a guitar from each right shoulder and left shoulder, neck position can be kept up without neck-dive. Although a center of gravity is one of important issue in the explanation in the short movie, a center of gravity is not explained.
