ACTIVITY 1: BUOYANCY
DATA AND RESULT
(NOTE: Express the Displaced fluid in 5 decimal places, the Buoyant force and Weight in 2
decimal places and the percent difference as a whole number.
Table 1.1 Fluid Displacement Method
Medium
Items
Water
Kerosene
Brine Solution
1000
820
1030
Density, ρ, (kg/m3)
Displaced fluid,
Vdisplaced, V (m3)
Buoyant force, B1 (N)
0.00003
0.00003
0.00003
0.29
0.24
0.30
Table 1.2 Loss of Mass Method
Medium
Water
Weight of the steel in
the air, W1 (N)
Weight of steel in the
medium, W2 (N)
Buoyant force, B2 (N)
Kerosene
Brine Solution
0.70
0.70
0.70
0.45
0.5
0.4
0.25
0.2
0.3
Table 1.3 % Difference
Water
% Difference
60ml
Brine 90ml
Kersone 90ml
Water 90ml
-110.34
Kerosene
-166.67
Brine Solution
0