Shared Flashcard Set

Details

Simple Machines
Vocabulary
14
Science
7th Grade
05/15/2009

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Cards

Term
machine
Definition
Makes work easier.
Term
work = force x distance
Definition
This is the formula used to calculate work.
Term
work input
Definition
The work you put into a machine.
Term
work output
Definition
The work a machine does for you.
Term
Mechanical Advantage
Definition
The number of times a machine multiplies your force.
Term
Mechanical Advantage = output force /input force
Definition
This is the formula used to calculate mechanical advantage.
Term
lever
Definition
A bar that turns on a point.
Term
fulcrum
Definition
The point a lever turns on
Term
pulley
Definition
A wheel over which a rope, chain, or wire passes.
Term
wheel and axle
Definition
One or more circular objects attached to a bar.
Term
incline plane
Definition
A ramp.
Term
wedge
Definition
Two inclined planes used together for cutting.
Term
screw
Definition
An inclined plane that is wrapped around a cylinder.
Term
compound machines
Definition
A machine made of two or more simple machines.
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