CBSE Class 11th The concept of potential energy Details & Preparations Downloads
In the grand tapestry of the universe, energy takes centre stage as the driving force behind all phenomena. Among its various forms, potential energy stands out as a captivating and essential concept that governs the behaviour of objects and systems. Join me on a journey as we delve into the realm of potential energy, unravelling its mysteries and understanding the profound impact it has on our everyday lives.
What is Potential Energy?
Potential energy is a form of energy associated with an object's position or condition rather than its motion. It is the energy an object possesses due to its position in a force field or its potential to undergo changes in configuration. The concept of potential energy is fundamental in physics, particularly in the study of mechanics and thermodynamics. After understanding potential energy and potential energy definition, let us learn the formula, unit, and examples of potential energy.
Potential Energy Formula
The formula for potential energy depends on the force acting on the two objects. For the gravitational force, the formula is:
Types of Potential Energy:
There are various types of potential energy, each associated with different forces and interactions. Here are a few common types:
Gravitational Potential Energy (GPE):
The gravitational potential energy of an object is defined as the energy possessed by an object that rose to a certain height against gravity. We shall formulate gravitational energy with the following example.

Consider an object of mass = m.

Placed at a height h from the ground, as shown in the figure.
As we know, the force required to raise the object equals m×g, that is, the object’s weight.
As the object is raised against the force of gravity, some amount of work (W) is done on it.
Work done on the object = force × displacement.
So,
W = m×g×h = mgh 
Above is the potential energy formula.
As per the law of conservation of energy, since the work done on the object is equal to m×g×h, the energy gained by the object = m×g×h, which in this case is the potential energy E.
E of an object raised to a height h above the ground = m×g×h
It is important to note that the gravitational energy does not depend upon the distance travelled by the object, but the displacement, i.e., the difference between the initial and the final height of the object. Hence, the path along which the object has reached the height is not considered. In the example shown above, the gravitational potential energy for both blocks A and B will be the same.
Elastic Potential Energy
Elastic potential energy is stored in objects that can be compressed or stretched, such as rubber bands, trampolines and bungee cords. The more an object can stretch, the more elastic its potential energy is. Many objects are specifically designed to store elastic potential energy, such as the following:

A twisted rubber band that powers a toy plane

An archer’s stretched bow

A bent diver’s board just before a diver dives in

The coil spring of a windup clock
An object that stores elastic potential energy will typically have a high elastic limit. However, all elastic objects have a threshold to the load they can sustain. When deformed beyond the elastic limit, the object will no longer return to its original shape.
Elastic potential energy can be calculated using the following formula:
u=1/2kx2
Where,

U is the elastic potential energy

k is the spring force constant

x is the string stretch length in m
CBSE Class 11th Downloadable Resources:
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SAMPLE PRACTICE QUESTIONS OF SIGNIFICANT FIGURES:
Q1. What is Potential Energy?
Q2. What are the common types of Potential Energy?.
Q3. How is Gravitational Potential Energy (GPE) calculated?
Q4. What factors affect the amount of GPE an object has?
Q5. Can potential energy be negative?
Class 11th CBSE Physics ChapterS 
Chapter1: UNITS AND MEASUREMENTS 
Chapter2: MOTION IN A STRAIGHT LINE 
Chapter3: MOTION IN A PLANE 
Chapter4: LAWS OF MOTION 
Chapter5: WORK, ENERGY AND POWER 
> Introduction 
> Notions of work and kinetic energy: The workenergy theorem 
> Work 
> Kinetic energy 
> Work done by a variable force 
> The conservation of mechanical energy 
> The potential energy of a spring 
> Power 
> Collisions 
Chapter6: SYSTEM OF PARTICLES AND ROTATIONAL MOTION 
Chapter7: GRAVITATION 
Chapter8: MECHANICAL PROPERTIES OF SOLIDS 
Chapter9: MECHANICAL PROPERTIES OF FLUIDS 
Chapter10: THERMAL PROPERTIES OF MATTER 
Chapter12: KINETIC THEORY 
Chapter13: OSCILLATIONS 
Chapter14: WAVES 
Class 11th CBSE Chemistry Chapters 
Chapter1: SOME BASIC CONCEPTS OF CHEMISTRY 
Chapter2: STRUCTURE OF ATOMS 
Chapter3: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES 
Chapter4: CHEMICAL BONDING AND MOLECULAR STRUCTURE 
Chapter5: THERMODYNAMICS 
Chapter6: EQUILIBRIUM 
Chapter7: REDOX REACTIONS 
Chapter8: ORGANIC CHEMISTRY  SOME BASIC PRINCIPLE AND TECHNIQUES 
Chapter9: Hydrocarbons HYDROCARBONS 
Class 11th CBSE Mathematics chapter 
Chapter1: SETS 
Chapter2: RELATIONS AND FUNCTIONS 
Chapter3: TRIGONOMETRIC FUNCTIONS 
Chapter4: COMPLEX NUMBER AND QUADRATIC EQUATIONS 
Chapter5: LINEAR INEQUALITIES 
Chapter6: PERMUTATIONS AND COMBINATIONS 
Chapter7: BINOMIAL THEOREM 
Chapter8: SEQUENCES AND SERIES 
Chapter9: STRAIGHT LINES 
Chapter10: CONIC SECTIONS 
Chapter11: INTRODUCTION TO THREEDIMENSIONAL GEOMETRY 
Chapter12: LIMITS AND DERIVATIVES 
Chapter13: STATISTICS 
Chapter14: PROBABILITY 
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