Soal:
Jawaban:
V balok seluruhnya = 0,2m. 0,1m. 0,3m = 0.006 m³
3/4 V balok = 3. 0.006 /4 = 0.0045 m³
1/3 V balok = 0.06 / 3 = 0.002 m³
a. p minyak = 800kg/m³
F= p. g. V
= 800. 10. 0.006
= 48 N
3/4 V balok = 3. 0.006 /4 = 0.0045 m³
1/3 V balok = 0.06 / 3 = 0.002 m³
a. p minyak = 800kg/m³
F= p. g. V
= 800. 10. 0.006
= 48 N
b. p air = 1000 kg/m³
F= p. g. V
= 1000. 10. 0.0045
= 45 N
c. p raksa =13600kg/m³
F= p. g. V
= 13600. 10. 0.002
= 272 N
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