Assertion: hertz's location | /r/HasProperty | contact
Facets:
value: between the surfaces
type: LOCATION
Source sentences:
text: At locations where there is contact between the surfaces the gap is zero, i.e. h = 0 {\displaystyle h=0} , and there the normal stress is different than zero, indeed, σ n < 0 {\displaystyle \sigma _{n}<0} .