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a wheel with a line around it


the use of force to move an object over a distance

inclined plane

a slanted surface

simple machine

a machine with few or no moving parts, to which only one force is applied


a bar that pivots on a fixed point


two inclined planes placed back to back


a post with threads wrapped around it


a fixed point on a lever

scientists example of work

lifting a box off the floor

wheel and axle simple machine

the wheel and axle must turn together

what job can you do with a pulley

raise a flag on a flagpole

what is a wedge?

two inclined planes back to back

fishing pole fulcrum

your hand

what simple machine is a fishing pole

a lever

which simple machines change the direction of a force

inclined plane, pulley, wedge

threads on screws are what simple machine?

inclined planes

simple machines to put new shingles on a roof

levers to pry off shingles, inclined plane to get shingles off the truck, a pulley to lift the shingles onto the roof

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