The center of gravity of a uniform object is its ( ).
A、Centerofuppersurface;
B、Centerofsurface;
C、Centeroflowersurface;
D、Geometriccenter
发布时间:2025-12-19 10:55:54
A、Centerofuppersurface;
B、Centerofsurface;
C、Centeroflowersurface;
D、Geometriccenter