Question

As an object sinks in a fluid, the buoyant force ____.

a. increases
b. remains the same
c. decrease
d. depends on the shape

Answer 1

As an object sinks in a fluid, the buoyant force decrease.

Answer 2

I think the correct answer from the choices listed above is option C. As an object sinks in a fluid, the buoyant force increases before it is submerged and as the object is submerged the buoyant force stays the same. This can be explained by Archimedes principle.