A paddle brush is NOT a simple machine, a simple machine is defined as: a machine or complex tool that eases the load by changing either the magnitude of the direction of a force to match the force to the capability of the machine or the person.
So, the force used is from the PERSON not the TOOL without the human force, no work, or power would result.
3rd class
Simple machine, lever
A shifter is a lever, a lever is a simple machine
No a lever is a simple machine so it's not complicated.
lever
It is a simple lever.
yes it is a lever
Lever.
Its a simple machine which can crush any complex machine
its not a simple machine
lever
a lever