Mathematics
Senior High
これが全てわかりません。
答えはア、、1/2Mg
イ、、3Mg/2tanθ
ウ、、3Mg/2sinθ
エ、、Mgx-μNl
オ、、2Mg/μcosθ＋sinθ
カ、、(2μN-Mg)l
です
お願いします！
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