JEE Exam > JEE Notes > Physics for JEE Main & Advanced > 3 Days Timetable: Work, Energy and Power (2025)
3 Days Timetable: Work, Energy and Power (2025) | Physics for JEE Main & Advanced PDF Download
The chapter "Work, Energy, and Power" is one of the most fundamental and high-scoring topics in JEE Physics. It lays the foundation for mechanics, kinematics, and force analysis, making it crucial for understanding energy conservation, force interactions, and mechanical equilibrium. This topic is heavily tested in JEE Mains & Advanced, and mastering it can greatly enhance problem-solving efficiency.
Work, Energy and Power: Key Insights
Based on 2025 prediction, here is a table provided below on expected no. of questions from particular topics.
Day 1: Work, Energy, and Power Fundamentals
- Start your day by understanding the concept of work and how it's done by a variable force.
- Now, you can dive into the difference between conservative and non-conservative forces.
- After that, explore the types of kinetic energy, examples, and the kinetic energy formula.
- Use resources such as DC Pandey Questions and Solutions and HC Verma & Irodov Solutions on EduRev for practice.
Challenge Yourself: Can you explain work-energy theorem in 2 minutes?
Day 2: Potential Energy and Work-Energy Theorem
- Start learning the definition, formula, and examples of potential energy.
- Then, try to learn the concept of a potential energy curve and its significance.
- Understand the scalar product and its applications in physics.
- Also, familiarize yourself with the work-energy theorem.
Visualization Tip: Think about a ball rolling down a hill—how does its potential & kinetic energy change?
Day 3: Kinetic Energy, Power, and Equilibrium
- Start studying the relationship between kinetic energy, potential energy, and the potential energy of a spring.
- And explore internal work and its connection to conservative forces.
- Also, understand the difference and relationship between force and power.
- Cover the concept of equilibrium and its types.
Pro Tip: Think about a stretched rubber band or a compressed spring—how is energy stored & released?
Revision + Tests
- You can go to Revision Notes and revise all topics.
- Then, start solving JEE Previous Year Questions Mains & Advanced Questions available on EduRev.
- You can also attempt full chapter tests available on EduRev.
Useful Links:
- JEE Past Year Paper of Work, Energy and Power
- H.C. Verma & Irodov Solutions
- DC Pandey Solutions
- Daily practice problems for JEE
- How to prepare for JEE Mains and advanced
- How to Prepare for JEE Physics
- Chapter wise test for Work, Energy and Power for JEE Main & Advanced
- NCERT Exemplar Work, Energy and Power
- Basic Mathematics for Physics
- Revision Notes for Work, Energy and Power
- Work, Energy & Power in one shot (NCERT)
- Short Tricks for Revision: Work, Energy & Power
- NCERT Textbook: Work, Energy, and Power NCERT Textbook
- NCERT Solutions: Work, Energy, and Power NCERT Solutions
- Short & Long Answer Questions: Work, Energy and Power
- JEE Advanced (Single Correct MCQs): Work, Energy and Power
These links will provide you with valuable resources and practice materials for mastering the "Work, Energy, and Power" chapter for JEE Physics.
Good luck with your studies!
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FAQs on 3 Days Timetable: Work, Energy and Power (2025) - Physics for JEE Main & Advanced
| 1. What is the work-energy theorem and how does it relate to potential and kinetic energy? |  |
Ans. The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy. This means that if work is done on an object, it will either gain kinetic energy (if the work is positive) or lose kinetic energy (if the work is negative). The theorem also relates to potential energy, as the work done against gravitational forces can change an object's potential energy, which in turn affects its kinetic energy when the object is in motion.
| 2. How do you calculate potential energy and what factors influence it? | |
Ans. Potential energy (PE) can be calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height above a reference point. The factors influencing potential energy include the object's mass, the height from which it is measured, and the local gravitational field strength.
| 3. What is kinetic energy and how is it calculated? | |
Ans. Kinetic energy (KE) is the energy an object possesses due to its motion. It is calculated using the formula KE = 0.5mv², where m is the mass of the object and v is its velocity. This means that the kinetic energy increases with the square of the velocity, indicating that even small increases in speed result in significant increases in kinetic energy.
| 4. What is the difference between work and power in physics? | |
Ans. Work is defined as the transfer of energy that occurs when a force is applied to an object over a distance, and it is calculated as the product of the force and the distance over which it is applied (W = Fd). Power, on the other hand, is the rate at which work is done, calculated as Power = Work/time. In essence, power indicates how fast work is being performed.
| 5. How can energy conservation be applied in solving problems related to work and energy? | |
Ans. The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. In solving problems related to work and energy, this principle allows you to equate the total potential and kinetic energy at different points in a system. For example, in a closed system, the total mechanical energy (potential + kinetic) remains constant, enabling you to solve for unknown variables when certain values are provided.
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