トラックが車にぶつかった。

truck; track (running, CD, DVD, etc.)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

car; automobile; vehicle; wheel

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to strike against; to collide with; to bump into; to conflict; to encounter; to meet; to clash