In a previous activity, we measured the buoyant force as a function of volume of

Question

In a previous activity, we measured the buoyant force as a function of volume of water displaced by the object. We graphed buoyant force vs. volume. The value of acceleration due to gravity was found using g = slope / density of liquid.

Imagine that we do the experiment with liquids of different densities. Imagine that you fully immerse the object in each liquid and determine the buoyant force. We plot a graph of Buoyant Force (y axis) vs. densities of liquids (x axis).

Equation Buoyant force = Density of liquid * gravity * Vo tells us that it would be a linear graph. Explain how you would find "g" from this slope.

Explanation / Answer

The graph is bouyant force vs densities. So slope=gravity*Vo So if you know Vo, you can find out "g".

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