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Chap 14 Science Vocab
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When a force causes an object to move in the same direction that the force is applied
Work
The rate at which work is done
Power
The force you apply on an object
Input Force
The work that the machine does
Output force
The ratio of the output force to the input force and can be calculated from this equation
Mechanical Advantage
Ratio of the output work to the input work
Efficiency
A machine that does work with only one movement
Simple Machine
A machine made of a combination of similiar machines
Compound Machines
A flat, sloped surface
Inclined plane
An inclined plane that moves
Wedge
Any rigid rod or plank that pivots or rotates about a point
Lever
Two circular objects of different sizes that are attached in such a way that they rotate together.
Wheel and axle
A grooved wheel with a rope or cable wrapped over it
Pulley
Author
Anonymous
ID
109758
Card Set
Chap 14 Science Vocab
Description
Vocab over chapter 14
Updated
10/18/2011, 1:31:41 AM
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