翻译和例句：
in size. They are more affected (影响) by surface forces, like friction (摩擦力) and wind, than by gravity ……
Q: Why can a boiled egg spin (旋转) in a vertical (垂直的) position?A: American and Japanese scientists carried out an analysis of the forces at work on a spinning egg.They said that the friction (摩擦力 ……
forever until some other force acts on it. On Earth, fidget spinners always experience friction (摩擦力 ……
unless some other force acts on it. On Earth, fidget spinners always experience friction (摩擦力) when ……
to supermarkets to collect waste cardboard and paper, and we also did tests to reduce friction (摩擦力) so ……
摘自： We made it![BY ZHANG ANYU, 21ST CENTURY TEENS STAFF, 21世纪学生英文报·初二版]
and paper, and we also did tests to reduce friction (摩擦力) so that our cart could run faster.” When the cart ……
of the air, the acceleration (加速度) of gravity, and the friction (摩擦力) of the table surface – it should ……
beneath the screen to change the amount of friction (摩擦力) between the display and the user’s finger ……
. They then used sensors (传感器) to measure friction (摩擦力) between the slippery side of banana skin and the ground ……
been found by Einstein. A paper that he published in 1926 showed thatfriction(摩擦力) at the bottom ……
, held together by the friction (摩擦力) at its center. The more turns there are, the easier ……
, held together by the friction (摩擦力) at its center. The more turns there are, the easier ……
流行歌手的新专辑大获成功，专辑已售出一百万张。英语词汇解析四级词汇adolescent 青春期的embarrassment 尴尬geometry 几何学六级词汇friction 摩擦力 ……
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