work and machines

Match it! Select the correct answer from the pull down...Good luck!

Two simple machines that are part of a bicycle are a(n)____.

An arrangement of pulleys designed to reduce the effort force is called a ____.

When two or more simple machines work together, they are called a(n)____.

A slanted surface used to raise an object is a(n) ____.

A machine that changes only the direction of a force has a mechanical advantage ofВ ____.

A device that does work with only one movement and changes the size or direction of a force is a(n)В ____.

A bar that is free to pivot about a fixed point is a ____.

An inclined plane with one or two sloping sides forms a machine called a ____.