NateTheGreat Word Puzzle Crossword

These two parts act as one simple machine. They roll and are found on cars
can be used to lift a weight. It has a fulcrum
used to hold things together
A heavy object could be rolled up this simple machine
A rod attached to the center of a wheel is called
A flagpole is an example of what kind of simple machine
this can cause heat
who created the theory of simple machines
physical power or strength possessed by a living being
exertion or effort directed to produce or accomplish something