Exercises
工程科技

Exercises图片（共12张） :

        1. On a square with side length of 0.02 m in a horizontal plane xOy,uniform forceacting on the square is F=4i+3j+9k and the unit is N. Calculate: (1) the verticalcomponent and tangential component; (2) pressure and shearing stress.2. Calculate the absolut......（本文共 3252 字, 12 张图）     [阅读本文] >>