An object of mass 1.7 kg has a density of 1800 kg/m3. It is lowered so that it is completely submerged beneath the surface of a liquid of density 790 kg/m3.
1. What is the volume of the object?
a. 8.1 x 10 – 5 m3 b. 9.4 x 10 – 4 m3 c. 3.1 x 10 – 4 m3 d. 9.5 x 10 – 5 m3 e. 1.6 x 10 – 3 m3
2. What is the volume of liquid displaced by the object?
a. 3.6 x 10 – 4 m3 b. 8.2 x 10 – 5 m3 c. 1.7 x 10 – 3 m3 d. 9.4 x 10 – 4 m3 e. 2.7 x 10 – 5 m3
3. What is the mass of the liquid displaced by the object?
a. 120 g b. 970 g c. 1,200 g d. 740 g e. 250 g
4. According to Archimedes, the buoyant force is equal to
a. the weight of the object.
b. the weight of the object submerged beneath the surface of the liquid.
c. the weight of the liquid inside the object.
d. the weight of the liquid displaced by the object.
e. the ratio of the density of the liquid to that of the object.
5. The value of the buoyant force in this problem is equal to
a. 7.3 N b. 210 N c. 58 N d. 130 N e. 17 N
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