A large block of wood and a smaller block of iron on weighing scales both register 1 ton. Taking buoyancy of air into account, which has the greater mass?
A) wood
B) iron
C) both have the same mass.
D) need more information
Question 2
Airplane flight best illustrates
A) Archimedes' principle.
B) Pascal's principle.
C) Bernoulli's principle.
D) Boyle's law.