【Daily Question】2015.09.30 (2 wealth points for replying, plus 3–8 additional wealth points for a correct answer)

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This post was last edited by WQC on 2015-10-1 at 11:48. The Mechanical Section has introduced the \"Question of the Day\" feature, which aims to foster an active atmosphere for technical discussions and guide the direction of such exchanges. It also provides users with financial rewards, helping them experience various cool features. Single-choice question: Belt drive transmits power through the ( ) between the belt and the pulleys. A. Force of action ； B. Gravity ； C. Friction force ； D. Tension force. The answer is C. Please note: we will close this thread after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation. Charisma Reward: Those who post a topic in this section within two days to provide a detailed explanation or discussion of the knowledge points related to this topic are asked to reply/comments in this post to inform us, and we will then award them charisma points. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights and opinions. After registration, we will rank participants based on the content of their posts: the last-place participant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score earning +5 charm.