An object weighing 50kg is floating in a fluid. What is the buoyant force of the fluid applied to the object?
1. Greater than 50kg
2. Less than
3. None
4. Exactly 50 kg

Question

An object weighing 50kg is floating in a fluid. What is the buoyant force of the fluid applied to the object?
1. Greater than 50kg
2. Less than
3. None
4. Exactly 50 kg

jamesj · Answer

If it is floating, it has no motion.  Any mass the has no motion or continuous in constant motion has not net force acting on it.

There are two forces acting on the mass: gravity and buoyancy.

These two must be exactly equal and cancel.

Therefore the answer is: ....

anonymous · Answer

None?