Respuesta :
D. Inclined Plane
" Try this! Take a piece of paper and fold it into a right triangle. Wrap it around a pencil. That is a screw - an inclined plane wrapped around a central core."
-usatestprep
D. Inclined Plane
" Try this! Take a piece of paper and fold it into a right triangle. Wrap it around a pencil. That is a screw - an inclined plane wrapped around a central core."
-usatestprep
