A seesaw is an example of what type of simple machine?

What type of simple machine makes chopping wood easier?

The ____________ consists of a rod attached to a wheel, and makes it easier to move or turn things. A door knob is an example of this simple machine.

This simple machine has a stiff bar that moves about a fixed point, called a fulcrum.

A ________________ is a combination of two or more

simple machines. Examples include scissors, wheelbarrow,

and a bicycle.