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Class : 6
Subject : Science
Unit : 6.30 Lesson :Simple Machine
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1.) What is complex machine?
2.) What are the uses of simple machine?
3.) What are the types of simple machine?
4.) What is lever?
5.) What is inclined plane?
6.) What is wheel and axle?
7.) What is pulley?
8.) What is screw?
9.) What is wedge?
10.) How does pulley help to pull water out of a well?
11.) How does inclined plane help to do work?
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