Multiple choice

All of the following are types of levers except for the ________.

  1. wheelbarrow

  2. balance

  3. knife

  4. stapler
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge or fulcrum. A knife is typically classified as a wedge because it is used to split materials.

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