As a fluid gains speed, its internal pressure
A) increases.
B) remains unchanged.
C) decreases.
Question 2
An empty jar is pushed open-side downward into water so that trapped air cannot escape. As it is pushed deeper, the buoyant force on the jar
A) increases.
B) decreases.
C) increases, then decreases.
D) decreases, then increases.
E) remains the same.