推 Poplarysl:應該是畫出方塊力圖跟找出的加速度的大小吧! 09/29 15:53
→ benck:嗯 是畫力圖....free-body diagram = = 09/29 20:03
有哪位可以告訴我第四章92題要幹嘛嗎？
(a) Draw the free-body diagram of the block and use it to determine the magnitude of the accelerate.
這句看不懂= =
先謝過了XD
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