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simple machines
force
Motion
Real life examples
Extras!
100
A kind of wheel with teeth
What is a gear?
100
A push or a pull that moves an object.
What is a force?
100
When a wedge is pushed down between two objects, the objects move ________.
What is apart?
100
faucet
What is wheel and axle?
100
A tool with few or no moving parts that helps people do work.
What is a simple machine?
200
A simple machine used to cut or split something.
What is a wedge?
200
If I push an elephant with all of my might but the elephant does not move, did I do work?
What is no?
200
If there are 2 gears and one gear is turning clockwise, the other gear will turn _________.
What is counterclockwise?
200
A knife.
What is a wedge?
200
A lever has what three parts?
What is a load, effort, and fulcrum?
300
A simple machine made of a wheel with a groove and a rope.
What is a pulley?
300
The force that makes an eraser squeal when I rub it against my paper is.
What is friction?
300
When I push down on a lever, the load moves _______.
What is up?
300
a well
What is a pulley?
300
The force that pulls objects down to the earth.
What is gravity?
400
A flat surface with one end higher than the other.
What is an inclined plane?
400
When I push down on a lever to lift a load, I am using it.
What is effort?
400
When I pull down on a pulley, the load moves ________.
What is up?
400
A car jack.
What is a first-class lever?
400
When a smaller amount of force is used over a longer distance, that is _____.
What is tradeoff?
500
An inclined plane wrapped around a post
What is a screw?
500
What is lubricant used for?
What is to reduce friction?
500
The (more/less) teeth a gear has, the faster it will spin.
What is less?
500
A wheelbarrow.
What is a second class lever?
500
The fulcrum needs to be close to the (load/effort) to make work easier.
What is the load?