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r₁= r₀
r₂= 5r₀
F₁=2,75.10⁴ N
dit: F₂=...?
Jawab:
F₁/F₂=r₂²/r₁²
2,75.10⁴/F2= (5r₀)²/r₀²
F₂=2,75.10⁴/25
F₂=1,1.10³ N
10. diket:
F₁=1,44.10⁴ N
r₁= r
r₂=6r
dit: F₂=...?
Jawab:
F₁/F₂=r₂/r₁
1,44.10⁴/F₂= (6r)²/r₂
F₂=1,44.10⁴/36
F₂=4.10² N