URL：https://d2vlcm61l7u1fs.cloudfront.net/media/aa6/aa6cad9d-7eb6-4efc-8d71-6a3bdb69a624/php8pJKcj.png
掲載元：https://www.chegg.com/homework-help/questions-and-answers/channel-section-shown-subjected-vertical-shear-force-v-27-kn-calculate-horizontal-shear-st-q14226357
