name one use for a pully
lifting moving lowering
what does a wheel and axle do
to support or move something
what fell on Isaac newtons head
apple
what is a simple machine
one of six kind of tools with few or no moving parts that that make work easier
what is a fulcrum use for
to support a lever
what do screws do
keep together
what is a simple machines
a simple machines gives a evanig
name three wedge
claws theeth nails
what is work
something that happens whenever a force moves an object through a distance
name 1 first class lever
a sewsaw
name one use for a inclined plane
ramp
how does a pulley work
with a wheel and a rope
name a 2 class lever
wheel barer
how does a lever lift
with a fucrum and a stick
name one third class lever
a ho
what is force
a effort
what is the different between a screw and a nail
The screw needs a screwdriver/screwdriver head and the nail needs a hammer
what is a fulcrum
the point on which a lever is supported and moves
what is a inclinedplane
a ramp
what is a wedge
a sarp thing that cut thing
who invented gravity
Isaac Newton
an example of a lever
who who was enteresed in gravity
Isaac newton
what is a pulley
made of a wheel and a rope
name all simple machines
inclined plane,wedge screw,lever,wheel and axle and pulley