重量為W1及W2之兩質點相距d,則此系統之重心距W1及W2各多遠?
2005-12-20 03:19:29 · 2 個解答 · 發問者 Frank 7 in 科學 ➔ 其他:科學
設重心與W1距離 = x,則與W2距離 = (d-x),
W1*x = W2*(d-x)
x= W2*d/(W1+W2)
重心與W1距離 = W2*d/(W1+W2)
重心與W2距離 = W1*d/(W1+W2)
2005-12-20 03:30:47 · answer #1 · answered by 搜尋中, 請稍候....... 5 · 0⤊ 0⤋
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http://tw.knowledge.yahoo.com/question/?qid=1405122013928
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2005-12-20 15:29:09 · answer #2 · answered by Anonymous · 0⤊ 0⤋