|Jun27-07, 11:37 PM||#1|
A rock with a volume of 0.2m3 is fully sumberged in water with density of 1000kg/m3. What is the buoyant force acting on the rock?
Assume that gravity acts on the system
0.2m3*9.81m/s2 = 1.96
buoyant force = 1000kg/m3*1.96
|Jun27-07, 11:44 PM||#2|
Check the units of your answer. You do not have the correct expression for buoyant force. The buoyant force on an object also depends upon the volume submerged:
[tex]F_b=\rho g V[/tex] where V is the volume submerged.
|Jun27-07, 11:52 PM||#3|
Ok, i get it now. makes it a lot clearer.
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