| SIMPLE MACHINES | EFFICIENCY | MISC MACHINES |
|---|---|---|
|
What is a machine?
A device that makes work easier
|
What is efficiency?
ratio of work output to work input
|
What are 2 examples?
pulley, inclined plane
|
|
What is an example of a wheel and axle?
Doorknob
|
What is work output?
work done by a machine
|
Describe an inclined plane?
slanted surface, ramp
|
|
What is effort force?
force applied to a machine
|
What is work input?
work done on a machine
|
Describe a pulley?
rope rapped around a wheel
|
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