Jawab materi kesetimbangan benda tegar

DINAMIKA ROTASI

wB = 8 kg
θ = 30°
g = 10 N/kg
T?

penyelesaian:
Στ = 0
T sin θ – wB = 0
T sin 30° – m g = 0
T . 0,5 – 8 . 10 = 0
T . 0,5 – 80 = 0
T . 0,5 = 80
T = 80 / 0,5
T = 160 N