Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
In this chapter, you saw how pressure and buoyancy of fluids can be used to make work easier — from raising a car on a lift to floating a ship on the ocean. Devices that make work easier are called machines in physics.


Question: In physics, what do you call devices that make work easier?
machines
Machines.