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Physical Science
Pretest
Question 10
10
lesson pretest
Multiple Choice
Pretest
Question 10 • Physical Science
Which best explains what will happen if Sharilyn unscrews a bolt with a short handled wrench?
Answer
A
The bolt will be harder to unscrew because it is closer to the fulcrum and the mechanical advantage will be reduced.
B
The bolt will be easier to unscrew because it is closer to the fulcrum and the mechanical advantage will be reduced.
C
The bolt will be easier to unscrew because it is farther from the fulcrum and the mechanical advantage will be greater.
D
The bolt will be harder to unscrew because it is farther from the fulcrum and the mechanical advantage will be greater.
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