Splitit,liftit,holditinplace.How?

wedge it

ByGlenPhelan

Wedge

SimpleMachines

Explorer magazine’ssix-partseries

Simple Machines

Explorer magazine’s six‑part series

lever
inclined plane
Wedge

This edition

screw
wheel and axle
pulley

Human Journey

PhysicalScience

Beforeyoudothescienceactivityattheendofthisarticle,thinkabouthowyouwillrecordorgraphthe results.