Physics
Senior High
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ここの式変形について教えてほしいです🙏🏻
(2) ① 式+② 式より
(M + m) a = Mg - mg (sin 0 + μ'cos 0)
Mg mg (sin0 +
'cose)
M + m
a =
=
-
M-m (sin 0 + μ'cos 0)
M + m
= M
=
(3)(2) の結果を②式に代入してTを求めると
T = M(g-a)= M(g- M
g
M-m (sin 0 + 'cos 0)
M+m
2²
Mm
M+m
mg + mg (sin 0 + μ'cos 0)
M+m
g (1 + sin 0 + μ'cos 0)
+ μ'cos)
T
g
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やっと理解できました😭✨
ありがとうございます!!