一長爲L的勻質細杆,可繞通過中心O的固定水平轉軸在鉛直平面內自由轉動（轉動慣量爲M(L2)/12),開始時杆水平靜止,一

題目：

一長爲L的勻質細杆,可繞通過中心O的固定水平轉軸在鉛直平面內自由轉動（轉動慣量爲M(L2)/12),開始時杆水平靜止,一質量與杆相同的昆蟲以速度V垂直落到杆上L/4處,昆蟲下落後立即向杆的端點爬去,若要使杆勻角速度轉動,試求昆蟲沿杆爬行的速率?

解答：

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