Understanding Tools and Machines
by Ron Kurtus (updated 17 March 2023)
Tools are devices that are use principles of physics, electronics, and chemistry to perform simple tasks, such as cutting or grasping. Humans and even some animals use tools to achieve various goals.
Machines extend the capabilities of tools and use energy to do work. They usually consist of moving parts. Machines run from simple to highly complex ones that are solely based on electronics.
The purpose of these lessons is to help you gain understanding the basics of tools and machines, such that you will become a champion in the subject.
Tools Used to Perform Simple Tasks
Mechanical Advantage in Machines
Increasing Output Force with a Lever
Increasing Output Distance Moved with a Lever
Cylinder and Piston Drive Engines