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name one use for a pully
on a crane
what does a wheel and axle do
to suport and move a car
what fell onto isaac newtons head
an apple
2 things a pulley can do
lift and lower
what can you use force for
to lift something
all simple machines
wedge, scerw the lever wheel and axle pully
inclined plane
what is a simple machines
a simple machines is an advantage
who is isaac newton
some one who inveted gravity
is friction a contact force
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name one use for a inclined plane
ramp
how does a pully work
with a wheel and rope or chian
what is a complex machine
a thing with a lot of parts
what is efort
force
name one use for a screw
bulding stuff
what is the deffrence beten a screw and a nail
the screw needs a screw driver head and a nail needs a hammer
name a complex machine
a plane
name 5 complex machines
a car
a truck
a plane
a tv
a sink
who invented gravity
izeck newten
an example of a lever
a seesaw
who was interested in gravity
isaac newton
is a lever an example of a simple machine
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