Sun square Mars (orb 3.7°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Sun in Aries in House 1 brings identity, ego, father figure, visibility, and direction into House 1 (presence, body, and the way experience is entered), with Aries style (initiative, speed, confrontation, and direct action); Mars in Capricorn in House 10 brings action, courage, competition, and effort into House 10 (vocation, status, responsibility, and public image), with Capricorn style (structure, ambition, responsibility, and long construction).
Concrete friction: this aspect creates visible tension between ego, father image, and action: will can feel attacked, blocked, or forced to prove strength, sometimes through a weak, absent, inhibiting, or castrating father image. Visible angle: Sun near the Rising sign (orb 2.5°) and Mars near the Midheaven (orb 2.3°) touch angles; this aspect is easier to notice through first impression, body language, reflexes, and entry style; also through social role, reputation, career, and public image. House 1 (presence, body, and the way experience is entered) is in friction with House 10 (vocation, status, responsibility, and public image); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.