URL：https://media.cheggcdn.com/media/4ad/4ad29b0a-5430-4dcc-92e9-0032923565f2/phpnWygM2
掲載元：https://www.chegg.com/homework-help/questions-and-answers/cantilever-beam-subjected-concentrated-load-p-33-kips-cross-sectional-dimensions-wide-flan-q73674769
