【望聞問切】 Sir Isaac Newton's 1st Law of Motion: "An object will remain at rest or in uniform motion in a straight line, unless compelled to change its state by an external force."...Continue Reading Tags: 0 comments 0 likes 0 shares Share this: 謙預 Qianyu.sg About author not provided *Add a description with basic info for 謙預一 Qian Yu Yi. 61280 followers 24304 likes "https://qianyu.sg/" View all posts