expression, godan verb (-ru)
tear paper; tear up paper
Literal action of ripping or tearing paper. The verb 破る is transitive, so the paper is marked by を.
彼は怒って紙を破った。
He got angry and tore the paper.
この紙を破って半分にしてください。
Please tear this paper in half.
Phrase composed of 紙 (paper) + を (object marker) + 破る (to tear).