Science
Junior High
想問力是怎麼傳 傳遞的方向之類的?
品
彈簧的串聯:樂
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彈簧串聯受力具有力的傳達概念:
施於B彈簧的拉力F,會傳達至A彈簧,故兩
F 彈簧均受有相同的拉力F,即Fa=Fg=F。
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