1) Which of the following is NOT what a screw is used for? a) Holding things together b) Making shoes c) Lifting heavy loads d) Drilling objects together 2) The ______________ is an inclined plane wrapped around a cylinder or cone. It is mostly used to hold objects together. a) pulley b) lever c) Screw d) Inclined plane 3) Which statement is true? a) All screws are made out of metal. b) Screws were originally used as fasteners for fixing two relatively thin pieces of material together. c) All the screws in the world are the color purple. d) All screws have the same head size. 4) A simple machine is a device that helps to reduce the amount of _____ required to work. a) Force b) Energy c) Work d) Effort 5) Screws and wedges are examples of an inclined plane. a) True b) False

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