Physics
Senior High
Solved
53の問題です!
ひとつの物体としてみるのなら重力も
mA+mB=7kg
7kg×9.8m/S²…だとおもうのですが、
答えは
mB=2kg×9.8m/s²なのはなぜですか?
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なるほど…ありがとうございます!