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Simple Machines
Blehhhhh
11
Science
4th Grade
10/11/2012

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Cards

Term
Fulcrum
Definition
The point of support on which lever turns
Term
Inclined Plane
Definition
A plan surface inclined at less than a right angle to a horizontal surface, used to roll or slide a load up or down
Term
Lever
Definition
Any of a class of basic tool consisting of a rigid bar or an equivalent, acting by pivoting around a fixed fulcrum to transfer applied force fro one point to another
Term
Load
Definition
An amount of something carried; cargo or freight
Term
Machine
Definition
A man-made device, usually driven by a motor or engine, with a system of interrelated parts that work together to perform a task
Term
Axle
Definition
A supporting bar or shaft on which a wheel or wheels turn
Term
Pull
Definition
To bring or try to bring closer by exerting force upon
Term
Pulley
Definition
A wheel or set of wheels with grooved edges over which a rope or chain can be drawn in order to change the direction of a pulling force and increase the capacity for lifting weight
Term
Screw
Definition
A fastener, usually metal, having a sometimes tapered shank with a helical thread, driven into a surface by applying pressure to the head while turning it
Term
Wedge
Definition
A piece of wood or metal in a three-dimensional, triangular shape with a thin edge that is driven or forced between objects to split, lift, or reinforce them
Term
Wheel
Definition
Any instrument or device resembling such a disk or frame in shape, motion, or function
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