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• GMV
m = 300 gr = 0,3 kg
g = 9,8 m/s²
ω = 25 rad/s
R = 30 cm = 0,3 m
T = __?
Persamaan gerak di titik tertinggi
T + mg = m ω² R
T = m ω² R - m g
T = 0,3 • 25² • 0,3 - 0,3 • 9,8
T = 53,31 N ← jwb