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🔬 Science - Class 9

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Unit 8 · Simple Machine

Efficiency

ScienceSubject

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Question 1 of 13

1A single fixed pulley gives no mechanical advantage. Why is it still used?

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Unit 8 topics

Simple Machine The Pulley The Inclined Plane Wheel and Axle Efficiency

Quick Facts

Unit: 8: Simple Machine
Topic: Efficiency