October 2018 1 366 Report
Massa jenis kayu = 0,7 gr/cm^3
kayu berbentuk kubus, rusuk 20 cm ditahan seutas tali yg diikatkan pada dasar bejana. Bejana diisi air dgn massa jenis 1000 kg/m^3.
Tentukan tegangan tali jika air diisi :
a. menyebabkan kayu tercelup seluruhnya
b. tercelup 3/4 bagian

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