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13 Cards in this Set

  • Front
  • Back
An inclined plane wrapped around a cylindrical post.
Screw
An inclined plane with one or two sloping sides.
Wedge
The amount by which a machine multiplies an effort force.
Mechanical advantage
The rate at which work is done.
Power
A bar that is free to pivot about a fulcrum.
Lever
A device that does work in only one movement and changes the size or direction.
Simple Machine
A slanted surface used to raise an object.
Inclined plane
For work to be done an object must
Move
What is a device made up of two or more simple machines?
Compound Machine
What is the force you apply to a simple machine?
effort force
What is a device that works with only one movement?
Simple Machine
What is the ratio of resistance force to effort force?
Mechanical Advantage
The work output divided by the work input is a way to find
Efficiency