Density
If weight is greater than buoyant force, the object...
Sinks
Define Pressure
A force applied over an area
A substance has a mass of 250 grams and a volume of 50 milliliters. What is the substance's density?
5 g/mL
If you sharpen a knife, it cuts better with equal or less effort. How did you achieve better pressure?
By reducing the area of the sharp edge and applying the same force.
An object has a volume of 120 milliliters and a mass of 60 grams. What is the density?
0.5 g/mL
State Archimede's Principle
The upward bouyant force is equal to the weight of fluid displaced by an object
The higher the altitude, the _______ the air pressure.
Lower