B.Tech (Chem. Engg., IIT Gandhinagar), Cleared GATE 2018, IIT-JEE 2014, RPET(2013,2014), KIIT(2013,2014)


Ashish Gehlot

The course is about detailed analysis of work and energy. It includes course outline, work done by forces, forms of energy, rate of doing work (power), some examples and lastly summary of whole chapter with some activities and Formulas (to memorize)

Learn all the basic concepts of Class IX to build a strong foundation for your future learning curve.

CBSE Class 9

Hindi

(Hindi) CBSE Class 9: Work and Energy

Work & Energy

Motion, Force & Work

Science

Class 6-12

Become a topper in your school and ace your board exams by learning from best educators in the country

CBSE

CBSE (Central Board of Secondary Education)

Hello everyone, 
This is Ashish. This is my first course on unacademy platform. I will teach chapter work and energy from 9th grade CBSE. This is lesson number 1. In this lesson I have given chapter track and audience for this course. This course is for everyone (specially for 9th class students).I have talked about chapter track how we will proceed lesson by lesson.I have also given list of do's and don'ts during this whole course. I have added a new feature in this course "TMS" (The Marking System).In this whole course, I have solved more than 30 problems audience have to take a look at the question and pause the video according to their convenience and try to solve the problem. By trying they can gain the marks written in front of question and also they can know about their progress in this chapter lesson by lesson. In the middle of this lesson, I have little bit talked about work, energy and power as well.

Introduction to the Chapter 1 (in Hindi)

Hello everyone,
This is lesson number 2. In this lesson I have talked about work and its concepts. I have talked about different type of work such as negative work, positive work and zero work. We have find out the unit of work as well. I have solved 4 example problems which are of easy type.

Concepts of Work 2 (in Hindi)

Hello everyone,
This is lesson number 3. In this lesson I have solved 10 question problems on work and its concepts. level of these questions will increase from easy to tough. We have already discussed few examples in previous lesson.

Problems on Work 3 (in Hindi)

Hello everyone 
This is lesson number 4. In this lesson,I have talked about energy and its forms.I have presented some statements which we need to remember. I have also talked about  Kinetic and potential energy. In the end, I have talked about law of conservation as well. According to which, Energy of  the Universe remains conserved.

Energy and its Forms 4 (in Hindi)

Hello everyone 
This is lesson number 5 .In previous lesson we have talked about energy and its forms, In this lesson we will solve example and problems on energy and its forms. I have given 11 problems including 3 examples and 8 questions.last two question will be homework problems which I will discuss in next lesson. level of the questions will increase from easy to tough at the end.

Problems on Energy and its Forms 5 (in Hindi)

Hello everyone, 
This is lesson number 6. In this lesson, Initially I have solved 2 homework problems which I have given in previous lesson. After that I have talked about power which is rate of doing work and its concepts. I have also talked about definition of power, on which it depends and for which it is defined. I have also talked about commercial unit of power and concept of average power..

Rate of Work 6 (Power) (in Hindi)

Hello everyone, 
This is lesson number 7. In this lesson, We have solved around 11 Problems on Power (3 examples and rest are questions) so that audience can get a feel about power and its concepts. Levels of examples and questions are moderate. Some of them are very easy and some of them are tricky.

Problems on Power 7 (in Hindi)

Hello everyone,
 This is lesson number 8 and this is the final lesson of our chapter work and energy. In this lesson I have given a brief summary about this chapter. I have summarized the concept of Work, Energy and its forms and Power. In inception of this lesson I have solved one homework problems which I have given in previous lesson

Summary of the Chapter 8 (in Hindi)

I'm from lucknow. I completed M.Sc.(zoology) from Nainital, B.Ed. from Lucknow. cleared UPTET in 2011. 

Kavita Shukla

In this course, the educator is discussing sound and related topics and questions and answers

(Hindi) Sound: Class 9

M.Sc. in Physics from LNM University, Darbhanga. Cleared CDS written. An UPSC aspirant. Passionate for Teaching and Travelling .

Priyansh Diwakar

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(Hindi) Class 9 : Motion and its Laws

B.Tech with 2+ years of teaching Experience | Specializes in Mathematics | Passionate about building next generation coders

Samhita Acharjee

The educator discusses the Numericals on work and energy for CBSE Class 9.

Numericals on Work and Energy: CBSE Class 9

IIT Kgpian | Civil Engineer | Loves meditation, cooking and writing articles on contemporary events.

Shashank Rajak

This course covers 'Work and Energy' chapter of Class 9 Science. It covers all the important concepts of work done, energy and power. It will help the students of class 9th to clear their basic concepts of Physics and become confident in the subject. It will also help people preparing for medical/engineering entrance exam and other government examinations. This course also contains some good problems for practice which will help learners to test their knowledge at the end of the course.

(Hindi) Work, Power and Energy - NCERT Physics Class 9

Physics and Maths Faculty for CBSE and Government Exams.I have done B.Tech(M.E),I am helping student to achieve their dream from last 4 year

Prabhat Tyagi

In this course, the educator is discussing the Work and Energy with their basic principles including the daily life Examples

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Lessons

8 lessons • 1h 23m

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Introduction to the Chapter 1 (in Hindi)

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Concepts of Work 2 (in Hindi)

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Problems on Work 3 (in Hindi)

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Energy and its Forms 4 (in Hindi)

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Problems on Energy and its Forms 5 (in Hindi)

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Rate of Work 6 (Power) (in Hindi)

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Problems on Power 7 (in Hindi)

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Summary of the Chapter 8 (in Hindi)