Re: [解題] 國二理化 力的平衡與常見的力
※ 引述《Aesop (頭痛,今天冷氣開太大?)》之銘言:
: : 另一個疑問: 50gw~~~───────~~~50gw
: : 若這是一條彈簧,他受力10gw會伸長1cm
: : 在此圖彈簧會伸長幾公分(假設在彈性限度內)
: 10gw伸長1cm--->50gw伸長5cm
剛躺在床上突然又想到
20gw~~~───────~~~50gw
如果把左邊改成出20gw的力,彈簧伸量量又會變多少呢
是3cm嗎??
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