De or het statica?

The correct Dutch article is:

de statica

Rule Words ending in -ica: usually de. See the rule
Meaning (Dutch) (natuurkunde) leer van het evenwicht van lichamen in rust

How to use statica

the staticade statica
this staticadeze statica
that staticadie statica
our staticaonze statica
your staticajouw statica
every staticaelke statica
which statica?welke statica?
a big statica / the big staticaeen grote statica, de grote statica

Dutch words ending in statica

elektrostatica

In compound words, the last part decides the article. See the rule

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).