Physics
Senior High
Resolved
なぜ写真の解き方だと✕になるのですか?
ちなみに答えはT1=T2=28Nです。
(3) (a) 糸が引く力T 〔N〕
(b) 糸2が引く力 T2〔N〕
1:40=√√2 T
T = 40√2
=57N
(a) 57N
45°
糸 1
√2
45
天井
45° (1)
糸 2
A(重さ 40N)
40N
(b) 57N
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T1とT2の合力の大きさが80Nになるという意味です。