{"id":2510,"date":"2026-05-28T17:14:46","date_gmt":"2026-05-28T11:44:46","guid":{"rendered":"https:\/\/mymockmate.com\/notes\/?p=2510"},"modified":"2026-07-15T17:45:57","modified_gmt":"2026-07-15T12:15:57","slug":"ncert-class-9-science-work-energy-and-simple-machines-class-9-solutions","status":"publish","type":"post","link":"https:\/\/mymockmate.com\/notes\/ncert-class-9-science-work-energy-and-simple-machines-class-9-solutions\/","title":{"rendered":"NCERT Class 9 Science Chapter 7 Work, Energy and Simple Machines Solutions"},"content":{"rendered":"
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Short Intro<\/h1>\n\n\n\n

This chapter explains the concepts of work, energy, power, and simple machines with practical examples and numerical problems. Students will learn how forces perform work, how energy changes from one form to another, and how machines make our work easier.<\/p>\n\n\n\n

Quick Information Box<\/h1>\n\n\n\n
Topic<\/th>Details<\/th><\/tr><\/thead>
Chapter Name<\/td>Work, Energy and Simple Machines<\/td><\/tr>
Class<\/td>Grade 9<\/td><\/tr>
Subject<\/td>Science \/ Physics<\/td><\/tr>
Important Topics<\/td>Work, Energy, Power, Kinetic Energy, Potential Energy, Machines<\/td><\/tr>
SI Unit of Work<\/td>Joule (J)<\/td><\/tr>
SI Unit of Power<\/td>Watt (W)<\/td><\/tr>
Key Formula<\/td>W = F × s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Concepts Used (Topics Covered)<\/h1>\n\n\n\n