pull    = constant_force
pull_geometry = direction; simple distance increase
pull_dim  = N N Y
pull_start  = yes   ; define initial COM distance > 0
pull_ngroups  = 1
pull_group0 = DPPC
pull_group1 = X
;pull_rate1  = 0.001  ; 0.01 nm per ps = 10 nm per ns
pull_vec1   = 0.0 0.0 -1.0  ; 0.01 nm per ps = 10 nm per ns
pull_k1   = 1000  ; kJ mol^-1 nm^-2
常力拉伸中,力常数单位kJ mol^-1 nm^-2是力的单位吗?和N如何对应?

pull    = constant_force
pull_geometry = direction; simple distance increase
pull_dim  = N N Y
pull_start  = yes   ; define initial COM distance > 0
pull_ngroups  = 1
pull_group0 = DPPC
pull_group1 = X
;pull_rate1  = 0.001  ; 0.01 nm per ps = 10 nm per ns
pull_vec1   = 0.0 0.0 -1.0  ; 0.01 nm per ps = 10 nm per ns
pull_k1   = 1000  ; kJ mol^-1 nm^-2
常力拉伸中,力常数单位kJ mol^-1 nm^-2是力的单位吗?和N如何对应?