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The amount of mass per unit of volume. Basically Density is the ratio of mass to volume
Mass:
Volume
Density= Mass/Volume
D=m/v
m= D * v
or
v= m/D
Water is so unique that ice (solid water) is less dense than liquid water.
A fluid's resistance to flow.
As the temperature increases, the viscosity of a fluid decreases
As the temperature decreases, the viscosity of a fluid increases.
The ability of an object to float in a liquid
1. Gravity (weight): force pulling the object down
2. Buoyant force: the force of the fluid pushing object up. The buoyant force is equal to the weight of the displaced liquid.
Speed= the distance traveled in a given amount of time
Velocity= an object's displacement in a given amount of time
(basically speed with a direction)
On the TAKS test, they're basically the same thing.
Speed = distance traveled/time
Common units: m/s, km/hr
Acceleration= the change in an object's velocity in a given unit of time
Acceleration = (final velocity - initial velocity)/ change in time
Common Unit: m/s^2
g= acceleration due to gravity
=9.8 m^2
Momentum is the mass in motion
Momentum= mass • velocity
or
p=mv
Common Unit: kg•m/s
The object with the highest density will sink to the bottom, while the least dense object will float