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What is 1 + 3?
The six simple machines
inclined plane, screw, wheel and axle, wedge, pulley, lever
It is simply a straight slanted surface.
An inclined plane wrapped around a cylinder is another type of simple machine called the screw.
two inclined planes joined together back to back
a rigid bar that rests on a fulcrum (a fixed point.)
There are ___ classes of levers
There are 3 classes of levers
A pulley is a rope, belt, or chain wrapped around a grooved wheel.
wheel and axle
a simple machine made up of two circular objects of different size.
What part of a wheel and axle must move together to be a simple machine?
The wheel and axle must move together to be a simple machine.
This simple machine is used to drive things apart
This simple machine is a wheel that is used with a cord or rope
This simple machine is a wheel that has a rod attached to it.
Wheel and Axle
This simple machine is a bar that pivots or turns on a fixed point called a fulcrum.
This simple machine is a flat, slanted surface that works like a ramp.
This is what the fixed point of a lever is called
It is easier to move a load when the fulcrum is (closer, farther away) from the load.
(Force, Work) is the push or pull
(Force, Work) is the movement caused by push and pull on an object.
These devices make work easier for people allowing us to push or pull over increased distances. There are no motors attached.