SYSTEMS IN ACTION Crossword

The ratio of the force produced by a machine to the force applied to it
The work performed by machines is not possible without this
The push or pull action applied to an object in order to move it
The action of applying a force to an object to move it
Energy, work or power used to drive machine
The result of using energy, work or power to make a machine operate
The benefit achieved when a machine or system is used successfully
The technology applied to the design and operation of robots
Making something run without the need for outside force
One of the working parts of a system or machine
The energy that is spent to accomplish a task
What occurs when two solid surfaces rub together
A simple machine consisting mainly of a beam
This is often the result of friction
The main action in operating this simple machine is pulling
These are important parts of a system with wheels
This is often put unders something heavy to help move it
These are round toothed mechanisms often found in clocks, watches and motors
A machine or system that works very well to accomplish its goal is said to have a high degree of _________