My study of simple machines
A gear is a device that transfers motion from one part of a machine to another
Gears
Wheel and axel
The wheel and axel are wheels on a car.
Levers
To see a lever look at the pic below
Inclined plane
An inclined plane is like a ramp
A pulley is a rope that is attached to the load and a wheel they all work together to lift the load.
pulley
Wedge
A wedge is a sharp object. You would use a wedge to cut wood and other things.
Screw
An inclined plane attached to a medal rod.
A tool that magnifies your effort.
Simple machine
work
The effort needed to move a certain distance
force
The work needed to lift an object with a pulley.
Mechanical advantage
When the effort and the resistance force are the same.