compound machine
The similarities are that simple and complex machines are both made up of simple machines
Complex machines are made out of multiple simple machines like axels, levers and pulleys make up a catapult on wheels.
A compound machine.
Bicycle
Caste iron
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.
No. It's a compound machine made of two simple machines: lever and wheel & axle.
pike Wilson
They are called compound machines. :)Hope that helps
screws have something called a thread, and this thread wraps around the screw. You can call the thread a kind of ramp, because this thread prevents the screw from falling off.
coumpound machine
No. It is a compound machine. It is made of simple machines.