摘要
This paper is peady to offer the coordinate formula of the center of gravity of the area surrounded by the curve x=ψ(y),the beeline y=c,y=d and y axis.It also educes its center of gravity is x=k(y=e) when the area is symmetry on the beeline x=k(y=e).
This paper is peady to offer the coordinate formula of the center of gravity of the area surrounded by the curve x=ψ(y),the beeline y=c,y=d and y axis.It also educes its center of gravity is x=k(y=e) when the area is symmetry on the beeline x=k(y=e).
出处
《兰州石化职业技术学院学报》
2003年第4期29-30,共2页
Journal of Lanzhou Petrochemical Polytechnic
关键词
重心
质量
微元
静力矩
the center of gravity
mass
tiny block
moment
