What simple machine makes work easier by using a wheel and rope to help move an object?

What simple machine has two slanted sides that end in a sharp edge and cuts things or separates an object?

What simple machine is a round wheel attached to a post that works together to move something?

What simple machine is a slanted flat surface that helps move an object from a high position to a low position OR a low position to a high position?

What simple machine has ridges wrapped around a center post that holds things together?

Select ALL correct answers. What is true about simple machines?

Work is the use of force to move an object.

Identify this simple machine.

Identify this simple machine.

Identify this simple machine.

Identify this simple machine.

Identify this simple machine.

Identify this simple machine.