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Panjang bambu = 3 m
Beban = 500 N
Gaya = 100 N
Ditanya :
Iw = ...
If = ...
Jawab :
Pakai rumus:
W . Lb = F . Lk
:Dimana W = beban
Lb = lengan beban
F = kuasa
Lk = lengan kuasa
Maka : W . Lb = F. Lk
500 . 3 = 100. Lk
1500 = 100 . Lk
Lk = 1500/100
Lk = 15 m
Maka, panjang lengan beban (Lb) 3 m, dan lengan kuasa (Lk) 15 m.
(Maaf kalau ada yang salah)
500 . Lb = 100 . Lk