Physics
Senior High
鉛直方向にしか力が働かないのになぜ物体は動くのでしょうか？
・ルギーの基準水平面とする
則より
=√2gr
こ,点Bを
力 N1, 遠
って 力の
ng
0=0 2050 nie wi-0800 pm=
V
図 a
N1
mg
運動に移
抗力 N2 が N2
V2=mg
図 b mg
T
v²
r
m-
ate Jpos
2
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