5
lesson pretestMultiple Choice

Pretest

Question 5 • Physical Science

Teeth are an example of which type of simple machine?

Answer
A
wedge
B
pulley
C
lever
D
inclined plane

Explanation

Teeth have sharp edges that push into and split food. A wedge is a simple machine with a sharp edge used for cutting or separating materials, so teeth are an example of a wedge.

AI-written and checked against the verified answer.

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