(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A 0.5 kg block of wood is floating in water. What is the magnitude of the buoyant force acting on the block.

2. Relevant equations

B=Buoyant force: W=weight; fl=fluid; m=mass; V=volume; DEN=density;

There are a couple of equations that our professor gave us, but I am totally confused how to use them.

B=Wfl & Wfl=Wm & Vm>Vfl & DENflVfl=DENmVm

3. The attempt at a solution

I have figured weight of the mass--W=mg, which is 4.9N

Looking at the first two equations, I would lean toward the thought that 4.9N is the answer, but that seems too easy. Am I making this more complicated than it needs to be, or I am truly as confused as I feel?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Buoyant Force question

**Physics Forums | Science Articles, Homework Help, Discussion**