CBSE class 9 study material PDF 2025-26: Download important resources for annual exam preparation

To help Class 9 students score high marks in the Annual Exam 2026, we have compiled complete CBSE Class 9 Study Material 2025 ...
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Simple Machines: Mechanical Advantage

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.