Matter In Motion
A measure of the gravitational force exerted on an object
Weight
If fluid flows from area A to B, then area A must be an area of greater…
Pressure
The ability to do work (move) is called...
Energy
Name a non renewable resource
Coal, petroleum, etc.
What is the energy conversion when you plug in a stereo and listen to music?
Electrical to sound
The rate at which the velocity changes
Acceleration
What happens to pressure as depth increases?
Increase
Energy that is stored is called...
Potential energy
Energy that does not run out of its supply is called...
Renewable
What is the energy conversion when you burn charcoal to cook food on a grill?
Chemical to Thermal
A result from combining all the forces exerted on an object
Net Force
Materials that can flow and take the shape of their containers are called _________.
Fluid
Give an example of thermal energy.
Heat from any source
Where does nuclear energy come from?
The nucleus of atoms (radioactive elements)
What is the energy conversion when water moves over a dam to power a city's energy grid?
Kinetic to Electrical
The point which you must have to compare to an object to determine motion.
Reference point
In which direction is fluid pressure directed?
All directions
Faster moving atoms and molecules are associated with...
Higher temperature
Name two renewable energy sources of electricity.
Hydro electricity, wind power, solar, nuclear, geothermal
The total energy in a closed system should ___________ while energy conversions take place.
Remain constant
The ______________ states that all objects in the universe attract each other through gravitational force.
Law of universal gravitation
An object weighing 30 N displaces a volume of water with a weight 20 N. What will the object do?
Sink
What two types of energy add together to describe mechanical energy?
Kinetic and Potential
Which type of nuclear reaction do nuclear powerplants use?
Fission
What is the main reason we seem to be unable to produce perpetual motion machines?
Friction