Mechanical comprehension · Difficulty 3
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which situation is the best example of buoyancy?
- A worker lifts a box upward onto a shelf.
- A sealed hollow container floats because water pushes upward.
- A rolling ball can move another object when they collide.
- Brake pads slow a rotor by rubbing against it.
Reveal answer and explanation
A sealed hollow container floats because water pushes upward.
buoyancy is the upward force a fluid exerts on an immersed object. A sealed hollow container floats because water pushes upward.