guess the def.
Session 1&2
Session 3&4
Session 5
Session 6
100
energy released by reaction within atomic nuclei as in nuclear fission or fusion.
What is the definition of Nuclear energy?
100
What is the biggest demand for energy today?
Electricity
100
what has the potential to be used in various ways?
Solar energy
100
What is a lever?
A lever is any bar that can tip back and forth on point.
100
What is the study of fluid and gasses?
Fluid mechanics
200
A course with a force is used to move an object through a distance
What is the definition of Work?
200
What resource will not run out?
renewable energy
200
Why does solar energy not work on cloudy days or during the night?
Because the sun is not available.
200
What part of the lever is the part that balances it all?
The Fulcrum.
200
What is the use of liquids called?
hydraulic
300
The ratio output force applied to a mechanism.
What is the definition of mechanical advantage?
300
True or False ? Does wind create pollution?
False
300
What is a machine?
A machine is a assemblage of parts that transmits energy to another manner.
300
When is the force the same at both ends?
When the fulcrum is in the middle.
300
What are double acting cylinders used for?
They are used in factories for stamping processes.
400
energy obtained by harnessing of tidal power
What is the definition of tidal energy?
400
How much wind can one turbine power up?
40 homes
400
What is a mechanical system?
A system of elements that interact on different mechanical principles? Example, an transmission of a car.
400
What arm is shorter than the effort arm?
The load arm is.
400
What is a pressurized system required for?
For fluids to perform a useful work
500
The branch of physics that deals with mechanical properties of air and other gases
What is the definition of Pneumatic?
500
What do many individuals use to help generate power for there house?
Windmills
500
what is the difference between fission and fusion
the difference is,fusion is combining and forming a new atom, and fission is the process of splitting the nucleus.
500
What do levers allow you to do?
Levers allow you to trade increased distance for increased force.
500
What is an example of valves and what do they do?
Valves are like a doors that open and close and they allow fluids to come in and out.
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