Density
What is the equation for density ( according to Archimedes principle)?
D=m/v
or
Density is mass divided by volume.
True/False: If and object floats it is buoyant.
True
What is volume ?
The amount of space an object occupies.
What is buoyant force?
An upward force exerted by fluids on an object.
This is a measurement of the amount of matter, or 'stuff', in an object or substance.
Mass
A 22.4-g sample of a substance was added to a graduated cylinder. The water was first measured at 69 ml, then the water increased to 98 ml. What is the density of the substance?
0.7724137931 g/ml
What is Density (with units)?
Density is the quantity of something per unit volume, unit area, or unit length.
Units: g/l, kg/m3 , g/cm3 ,ect.
What are the 3 types of buoyancy are there and how do they differ?
Neutral Buoyancy- The object is neither sinking nor floating...
Positive Buoyancy- The object is floating at the top of the surface...
Negative Buoyancy- The object is sitting at the bottom of the body of water...
How did Archimedes find out that the worker/slave snuck some gold into the crown?
He had found a method for measuring the volume of an irregularly-shaped object. He realised that an object, when immersed in water, displaced a volume of water equal to its own volume, and that by measuring the volume of the displaced water, the volume of the object could be determined, regardless of the object’s shape. So, he could measure the volume of the crown by measuring the volume of the water spilled from a container filled with water to the brim when the crown was fully dipped in it.
(Answer could be summarized)