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F1 = F
R1 = R
R2 = 2R
dtanyakan:
F2 = ?
jawab :
F2/F1 = (R1/R2)²
F2/F = (R/2R)²
F2/F = 1/4
F2 = 1/4 F
jadi besar gayanya 1/4 kali semula