P073 움직 도르래와 고정 도르래에 연결된 세 물체

New channel Dongwoo Cha: title sample judged 'whole' (A dedicated physics professor's channel with systematic university-level lecture series (mechanics, E&M, quantum mechani); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.

A 20-minute video from Dongwoo Cha: “P073 움직 도르래와 고정 도르래에 연결된 세 물체”.

Video by Dongwoo Cha, played through YouTube's embedded player.