The viscous force FFF acting on a sphere of radius rrr moving with velocity vvv through a fluid of viscosity η\etaη is given by F=6πηrv+kr2v2F = 6\pi \eta rv + kr^2v^2F=6πηrv+kr2v2. The dimensions of kkk are:
ML⁻³
ML⁻¹T⁻¹
MLT⁻²
M⁻¹L³
Related Questions
Which one of the following is not a unit of Young’s modulus?
Nm−1{\rm{N}}{{\rm{m}}^{ - 1}}Nm−1
Nm−2{\rm{N}}{{\rm{m}}^{ - 2}}Nm−2
Dyne cm−2{\rm{Dyne\;c}}{{\rm{m}}^{ - 2}}Dynecm−2
Mega pascal
Which of the following is not represented in correct unit
StressStrain=N/m2\frac{{{\rm{Stress}}}}{{{\rm{Strain}}}} = N/{m^2}StrainStress=N/m2
Surface tension =N/m
Energy =kg-m/sec
Pressure =N/m2 = N/{m^2}=N/m2
