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Terms and definitions

Everything in this flashcard set.

efficiency
Skillfulness in avoiding wasted time and effort
kinetic
Relating to the motion of material bodies and the forces associated therewith
machine
Any mechanical or electrical device that transmits or modifies energy to perform or assist in
effort
Use of physical or mental energy
conservation
The maintenance of a certain quantities unchanged during chemical reactions or physical
input
A statement that expresses a personal opinion or belief or adds information
force
A push or a pull
lever
A rigid bar pivoted about a fulcrum
output
Production of a certain amount
arm
A division of some larger or more complex organization
mechanical
Using ___ or tools or devices
work
Job or effort to get something done
energy
The power to do work or make things move
potential
The difference in electrical charge between two points in a circuit expressed in volts
wedge
A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese
fulcrum
The pivot about which a lever turns
power
Strength or the ability to control things
watt
A unit of power equal to 1 joule per second
generator
Engine that converts mechanical energy into electrical energy by electromagnetic induction
pulley
A simple machine consisting of a wheel with a groove in which a rope can run to change
wheel
Forces that provide energy and direction
inclined
To have a tendency or disposition to do or be something
axle
A shaft on which a wheel rotates
plane
An aircraft that has a fixed wing and is powered by propellers or jets

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