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LeversPulleys
Flash Cards on levers, pulleys, and related definitions
Question | Answer |
---|---|
A simple machine consisting of an arm and fulcrum | Lever |
Single Pulley that reduces effort | Movable |
The 6 simple machines | Levers, Pulleys, Wheel & axles, screws, inclined planes, wedges |
Lever Classes; define | Class 1, Fulcrum in middle, Class 2, Load in middle, Class 3,Effort in middle |
Grooved wheel free to rotate around a spindle around which a rope passes in order to move a load | Pulley |
Benefit gained by using a simple machine | Advantage |
Amount of force used to move a load or overcome a resistance | Effort |
More ropes supporting load means | Effort divided by that amount |