Lim Chen Jun Machine SJKC Bukit Pagar

Simple machine

1st class 2nd class 3rd class
The load
The fulcrum between the The effort
between the effort and the between the
load and the load and the
fulcrum.
effort. fulcrum.

Simple machine GEAR

A gear is a rotating machine part
having cut teeth Two meshing gears

transmitting rotational motion.

WATCH MOTORCYCLE

CLOCK

BICYCLE

ENGINE

Simple machine

knife shovel

A wedge is a axe WEDGE
triangular
shaped tool, scissors
and is a
portable
inclined plane,
it can be used
to separate
two objects.

Simple machine PULLEY

Pulley is a simple machine and comprises of a wheel on a fixed
axle, with a groove along the edges to guide a rope or cable.

Type of pulley

Fixed pulley Movable pulley Compound pulley

A fixed pulley is one in A movable pulleyis A compound pulley
which the drum is attached to a ceiling or is a combination of
secured to a single the simple and
other object by two moveable pulley.
spot.It is allows you to lengths of the same
change the direction of
rope.
the force needed.

Simple machine

AXLE

。Axle is a central shaft for a rotating

wheel Some of the axle canallow the
wheel or gear to rotate around the axle.

wheel door handle water
faucet

Complex Complex machine is a tool that use more than 1 simple
machine machines.
The sustainable use of complex machine depends on
some criteria such as materials, maintainability, cost
environmental protection and safety.

Wedges Levers

Pulleys Complex Levers
machine
Inclined plane Wheel and
axle

Wheel&axle Lever Wedges

MACHINE

Machinery is
created to make
work easier and

more efficient

SIMPLE COMPLEX
MACHINE MACHINE

A mechanical device A machine made The sustainable
that changes the up of two or use of complex
direction or more simple machine depends
magnitude of a machines on some criteria
force. such as materials,
maintainability,
cost environmental
protection and

safety.