Stop things from moving or split things apart.
.What do wedges do?
What is work?
An invisible force that pulls things.
What is gravity?
They increased speed.
How did spokes improve wheels?
Trade force for distance.
What does an inclined plane do?
A force that slows down motion.
What is resistance?
What is a shaft?
A movement that, when applied to an object affects it or make it move.
What is force?
The fulcrum, load/resistance, and force.
What are the parts of a lever?
The resistance of two things rubbing together.
What is friction?
The center of a wheel that keeps it moving and together.
What is an axle?
An inclined plane wrapped around a central shaft.
What is a screw?
What are wheels with teeth called?
Wheel and axle, pulley, inclined plane, lever, screw, wedge.
What are the 6 different simple machines?
The point on which a lever turns.
What is the fulcrum?
Give a mechanical advantage by reducing friction. They rotate on an axle.
What do wheels do?
Something that allows you to apply force with greater advantage.
What is mechanical advantage?