the purpose of having a simple machine is to make life easier
The purpose of a simple machine is to use less force and do work
Screw can modify force and motion.
Compound machines are things that are made up of 1 or more simple machines. A screw isn't made up of any simple machines unless you count the screw as a simple machine.
Yes. It is a screw action, which is a simple machine.
Yes, a screw driver is a "simple machine".
No because a screw is has a top and a winding bottom and a coil does not have a top and has a winding bottom so no a coil is not a simple machine screw.
Yes
No
the screw
A screw driver is an inclined plane.
Its a simple machine
fasten?
A screw
Screw