[考題] 97嘉義高工製圖科 機械力學考題
97年 嘉義高工製圖科的機械力學 考題
1.欲舉升一重3500N 之汽車,利用螺旋千斤頂,則迴轉把手所需之力? N。
(其中螺旋直徑為2cm,螺距為0.314cm, μ =0.2,把手長50cm)
解答:17.7
8.圖所示物體質量26kg,由靜止釋放,順沿著斜面滑下S 距離而彈簧縮短3cm,
若斜面與物體之摩擦係數μ =0.25,彈簧常數k=8kg/cm,則當彈簧下壓2cm時物
體的速度=? m/sec 。(設g = 10m/ sec2) (有圖,但我不會貼上 ^^")
解答:0.35
不太會算,來向版友們請教^^",謝謝。
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