[問題] 很簡單的問題有關向心加速度
後來想通了但是想問問大家的看法
一物體作等速度圓周運動 半徑為r 速度為v
求向心加速度a
法線加速度an = wv =wr^2
切線加速度at = ra
我的原本的解答是 等速度所以at=0 故a=0
但是答案是錯的為何?
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※ 編輯: pop10353 來自: 123.240.48.127 (06/22 20:16)
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