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47. 若凸輪之從動件做簡諧運動,下列敘述何者正確?(A)行程的兩端速度最大,加速度也最大 (B)行程的兩端速度最大,加速度為零(C)行程的中心點速度最大,加速度為零 (D)行程的中心點速度最大,加速
問題詳情
47. 若凸輪之從動件做簡諧運動,下列敘述何者正確?
(A)行程的兩端速度最大,加速度也最大
(B)行程的兩端速度最大,加速度為零
(C)行程的中心點速度最大,加速度為零
(D)行程的中心點速度最大,加速度也最大
參考答案
上一篇 :
46. 偏心凸輪之偏心距為200 mm時,則其從動件之總升距為多少mm?(A) 100 (B) 200 (C) 400 (D) 800
下一篇 :
49. 一惠斯頓差動滑車定滑輪之大輪直徑為30 cm,小輪直徑為20 cm,摩擦損失10 %,若施力100 N,則可吊起之最大重物為多少N?(A) 180 (B) 270 (C) 360 (D) 54
資訊推薦
48. 某四連桿機構的固定桿、主動桿、浮桿及從動桿的長度分別為6 cm、3 cm、4 cm及4 cm,則此機構最可能為下列何者?(A)雙搖桿機構 (B)雙曲柄機構 (C)曲柄搖桿機構 (D)等腰連桿機
50. 有關間歇運動其主動件之運動方式,下列敘述何者正確?(A)擒縱器可由迴轉運動而產生間歇運動(B)凸輪機構可由迴轉運動而產生間歇運動(C)棘輪機構可由迴轉運動而產生間歇運動(D)日內瓦機構可由搖擺
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