7. A piece of wood (0.002 m3 in volume and 800 kg/m3
in density) is floating on water. Assume the density of water
is 1000 kg/m3.
a. (5 points)
What is the weight of the wood piece?
b. (8 points)
What is the buoyant force?
c. (12 points)
What fraction in volume of the wood piece is submerged under water?
