Question

What simple machine would you use to keep a door from shutting

Answer 1

Answer: A wedge

Explanation: A wedge is an inclined plane that moves. Wedges are used to split or lift objects. It takes less force to drive a wedge into or under an object that it does to separate or lift the object yourself. For example, an axe splits wood and a wedge-shaped door stopper rises to keep the door from shutting.

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