(PET) Power and Energy Overview
Power and Energy Overview
Knowledge Check:
Now watch the following Nova video, Energy Defined , for an overview of the scientific principles of energy
Video:
Now watch the following Nova video, Energy Defined , for an overview of the scientific principles of energy
Important: In this module, you will create a mousetrap car.
A mousetrap and household materials will be required.
Module Lessons Preview
In this module, we will study the following topics:
Common Terms
Conservation – Most efficient, non-wasteful, use of energy.
Efficiency –A measure of the ratio of output work energy over input work energy.
Energy – The ability to do work, which is also identified as a force, measured in Newtons or pounds.
Nonrenewable source of energy – Sources that are used up or depleted upon energy conversion.
Power – Energy over time measured in kilowatt and horsepower. This includes energy conversion from one form to another, rate at which work is done, and energy transfer.
Power Systems – Systems to provide electricity or propulsion to other technologies.
Renewable source of energy - Sources that are perennial and everlasting.
Work - The amount of force applied multiplied by the distance obtained, measured in joules and foot-pounds.
IMAGES CREATED BY GAVS