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w benda = 100 n
Ztorsi=0
Tsin30' . Lab - w . Lab - wbatang . 1/2Lab = 0
T1/2.2 - 100 . 2 - 150 . 1/2.2 = 0
T-200-150=0
T=200-150
T=50 newton
lain kali gambarnya yang jellas dong..