In order to solve this problem , the distribution of the force was studied . with analyzing the data of ship launching , the paper educes seven typical distribution forms , include uniform distribution , sine distribution ( 1 / 2 amplitude ) , trapezoid distribution , right triangle distribution , sine distribution ( 1 / 4 amplitude ) , parabola distribution , isosceles triangle distribution 主要有七種分布形式,包括分布趨勢較平緩的均勻分布形式、正弦( 1 2波形)分布形式、梯形分布形式;峰值出現(xiàn)在滑道最前端的直角三角形分布、正弦( 1 4波形)分布、拋物線形分布;還有峰值出現(xiàn)在分布區(qū)域中間的等腰三角形分布。