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Chapter 7 Work, Energy, and Simple Machines - Part 4

Which is not a simple machine?

Type: MCQ • Marks: 1
Which is not a simple machine?
Options
A. Inclined plane
B. Screw
C. Electric motor
D. Pulley
Explanation
An electric motor is a complex device, not a simple machine.
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Class 9th Science (MCQ)

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