Respuesta :
Answer:
The principle of simple machine states that "if there is no friction in a simple machine, work output and work input are found equal in that machine.
Explanation:
Answer:
Usually, the term refers to the six classical simple machines which were defined by Renaissance scientists:
- Lever
- Wheel and axle
- Pulley
- Inclined plane
- Wedge
- screw
Also, a simple machine uses a single applied force to do work against a single load force.