CK-12 Physical Science Concepts - For Middle School

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 4. Motion and Forces


FIGURE 4.88


Review



  1. What is a wedge?

  2. How does a wedge change the force applied to it?

  3. Which of the following machines includes a wedge?
    a. axe
    b. hammer
    c. bolt
    d. file

  4. Explain why the mechanical advantage of a wedge is greater than 1.

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