Simple Machines SCIENCE NOTES
Secondary 2 Normal Technical Simple machine science
Jun 19, 2015
Notes on simple machines
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Simple MachinesSCIENCE NOTES
Lever classes
Wheel and axleA wheel and axle system is made up of a lever that turns in circle that turns in a circle around a fulcrum.
Inclined planesIt is easier to pull or push an object up an inclined plane .The effort required is smaller than pushing or pulling the object vertically upwards . This is because the effort moves the object over a greater distance.
PulleysA pulleys is a wheel with a groove around its edge.
Fixed pulley Movable pulley
GearsGears are wheels with teeth . The teeth of one wheel mesh into the teeth of another so that no slopping occurs.
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