6 simple machines
1. lever
ItemNumber of Class 1 Levers Used
see-sawa single class 1 lever
hammer's clawsa single class 1 lever
scissors2 class 1 levers
pliers2 class 1 levers
2.wheel and axle
pencil sharpener
casters
door knobs
rolling pin
rotary dial telephone
egg beater
bicycle
fan
windmill
roller skates
record player
wagon
3.screw
brace and bits
screw lid jar
swivel piano stool
meat grinder
drills
door lock
Submarine hatch
machine screws
wooden handled cork screw
more
4.wedge
floor nailback wedgepinsiron wedge (sledge hammer)
shark toothchiselscar tire wedgeold knitting needles
5.pully
block and tackle
oil derrick
winch
rock climber pulleys
clothesline pulley
marine pulley
steam shovel
flagpole pulley
window blinds
6. inclined plane
roller coaster
bath tub
boat propeller
parking ramp
car ramps
ladders
hill with cable car
stairs
dump truck