Which of the following is a case where the object will sink to
the bottom of the fluid, if it is released?
a) The density of the object is less than the density of the
fluid.
b) The gravitational force on the object is equal in magnitude
to the buoyant force on the object when the object is submerged
entirely in the fluid.
c) The density of the object is greater than the density of the
fluid.
d) The gravitational force on the object is equal in magnitude
to the buoyant force on the object when half of the object is in
the fluid.