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SIMPLE &COMPLEX
MACHINES

SIMPLE MACHINES

How do you do work? How do you

eat cereal or loosen the lid of a jar?
You probablyHow do you do work? How uodfosayejoaur?tools.

eat cereal or loosen the lid

Tools mYTaooouklspermobawkaebolwy orurskkeeteaosoailessr. tioedro.tAomadchoin.e A machine

is a devis iacdeevitcehtahatt uusesseenseregyntoedrogwyorkt.o do work.
Tools that have only a few parts are
Toolscaltlehdasimtphleamvacehinoesn. Alyhaammfeerw parts are
calleicsdoamssbimiinmpelesepmvelaercahlimsniem.apSloecmmheaimcnhaienchesisn..esA hammer

is a simple machine. SomeClocks and bicycles are complex machines
machines. In this book, you will learn

comhbowinmeachsineesvmearkae wl osrkimeaspierl.e machines.

Clocks and bicycles are complex

machines. In this book, you will learn

TYTPYEPESSOOFF SSIIMMPPLELE
MMAACCHHIINNESES



COMPLEX MACHINES

Complex machines are also called
compound machines. Two or more
simple machines work together to form

a complex machine. Compound
machines can do more difficult jobs than

simple machines alone. Examples of
complex machines are bicycle, wheel
barrow, crane, car jack, lawn mover etc

COMPLEX MACHINES