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  C.7.1. Simple machines – Changing direction, magnitude and distance moved by the effort.
 

 

 

 

Simple Machines

Change direction of effort

Reduce magnitude of effort

Reduce distance moved by effort

First Class Lever

YES

YES

NO

Second Class Lever

NO

YES

NO

Third Class Lever

NO

NO

YES

Wheel and Axle

YES

YES

NO

Gears

YES

Speed may change

Single Fixed Pulley

YES

NO

NO

Single Moveable Pulley

NO

YES

NO

Combined Pulley

YES

YES

NO

Inclined Plane

NO

YES

NO

 

 

 

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