8bf0eb34_PMM_physics__About_friction__Type
[...and something about it] Whenever a soft material like clay or lead undergoes deformation due to external forces, it will not automatically regain its original shape. The work applied to change the shape of the mass will be transformed into heat. [Type] 
plastic/inelastic deformation
s l i d i n g f r i c t i o n
r o l l i n g f r i c t i o n
e l a s t i c d e f o r m a t i o n
p l a s t i c / i n e l a s t i c d e f o r m a t i o n
l i q u i d f r i c t i o n
e l e c t r o m a g n e t i c f r i c t i o n
t i d a l f r i c t i o n
s o u n d
PMM physics. About friction
Type