Abstract： The viscous drag force acting on a thin cotton string fastened to a sphere moving in glycerin has been determined by using a photogate apparatus, showing that the force acting on the string agrees with a simplified 2-dimensional theory for string Reynolds’ number Ns < 0.008.
Shan-tarng Chen. Drag Force on a String Fastened to a Sphere Moving in a Viscous Fluid[J]. 中国物理快报, 1996, 13(9): 682-685.
Shan-tarng Chen. Drag Force on a String Fastened to a Sphere Moving in a Viscous Fluid. Chin. Phys. Lett., 1996, 13(9): 682-685.
1996, Vol. 13 
