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Advantage A benefit obtained by using a simple machine to help you do work..
Lever A simple machine that people use to gain a mechanical advantage to make work easier.
Pulley A wheel with a grooved rim in which a rope/wire can run to change the direction of the pull (force) while lifting the load.
Movable Pulley Has a wheel that is attached to the load and the moveable pulley gives a mechanical advantage.
Fixed Pulley Has a wheel that is attached to something above the load and the fixed pulley gives a directional advantage..
Newtons The unit of measurement for effort.
Simple Machines Basic devices that provide mechanical or directional advantages.
Work When a force acts on something over a distance either to LIFT or to overcome resistance.
What are 2 ways a simple machine can provide an advantage? 1) Move a load 2) Make a load easier to lift
What are the 6 simple machines? 1) Lever 2) Pulley 3) Wheel and Axle 4) Inclined Plane 5) Screw 6) Wedge
What is the best setup on the lever to have the best advantage? When the fulcrum is placed in between the load and the effort.
What is the best setup on the pulley to have the best advantage? Single fixed/single moveable
Label the parts of the lever and draw them in the positions that give the most advantage and the least effort Class 1 Lever System
What are the 4 pulley systems? 1) Single fixed/single moveable *pulling down 2) Single fixed/single moveable *pulling up 3) Single fixed pulley *pulling down 4) Single moveable pulley *pulling up
Created by: NicHus1