Chapter 7 Work, Energy, and Simple Machines - Part 3

Which simple machine is a crowbar used to pry open a lid an example of?

Type: MCQ • Marks: 1
Which simple machine is a crowbar used to pry open a lid an example of?
Options
A. First-class lever
B. Inclined plane
C. Pulley
D. Wheel and axle
Explanation
A crowbar functions as a classic first-class lever with fulcrum between load and effort.
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Class 9th Science (MCQ)

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