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Chapter 7 Work, Energy, and Simple Machines - Part 2

What type of simple machine is a corkscrew or a jar lid thread?

Type: MCQ • Marks: 1
What type of simple machine is a corkscrew or a jar lid thread?
Options
A. Pulley
B. Wedge
C. Screw (inclined plane wrapped around a cylinder)
D. Lever
Explanation
A screw is essentially an inclined plane wound around a central shaft.
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Class 9th Science (MCQ)

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