Energy hydrogen and fuel cells how do we define energy. Work, energy and power in this section of the transport unit, we will look at the energy changes that take place when a force acts upon an object. In this lesson, we revise the definition of work as well as revise the idea that power is the rate of. Work is said to be done only when the force applied on a body makes the body move. This chapter is very important because it will test your knowledge of the previous two chapters namely, kinematics, laws of motion and it will be also useful and crucial for you for solving questions from the next chapters namely system of particles, rotational motion and to some extent gravitation. This ppt explained real life examples with simple calculation. Work and kinetic energy conservative and nonconservative forces work and potential energy conservation of energy calculus method for determining work power. Free pdf download of hc verma solutions for class 11 physics part1 chapter 8 work and energy solved by expert physics teachers on. Displaying powerpoint presentation on work energy and power available to view or download. Conservation laws work, defined work carries a specific meaning in physics simple form.
Work, energy, and power ap physics c there are many different types of energy. Displaying powerpoint presentation on work energy power available to view or download. The amount of work done depends on two things the amount of force exerted and the distance over which the force is applied. Ppt work and energy powerpoint presentation free to. Work, energy and power class 11 notes physics chapter 6 work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of applied force. W f ax x a f bx x b l fxdx x 1 x 2 integral is geometrically the area under the curve in this case the area of a fx vs. Thankfully, the clever engineers from across the past centuries have developed ways of harnessing the power of elements into useable electrical energy. Work and kinetic energy lectures for university physics. The kinetic energy of an object is a scalar value, meaning it does not depend on the direction the object moves in. Define work, energy and power energy is defined as capacity to do work. Define work, energy and power work is defined as product of the force and displacement of an object in the direction of force. Work and energy with varying forces what is the work done when the force changes with distance e.
These type of forces of which gravity is one are called conservative forces. Kinetic energy potential energy conservation of energy power. The free physics powerpoint template has a dark blue background with an image about physics, formulas and gravitation that fits with the topic. Download the best free powerpoint templates to create modern presentations. Work, energy, and power is the property of its rightful owner. For each approved ppt you will get 25 credit points and 25 activity score which will increase your profile visibility. Free physics powerpoint template prezentr powerpoint. This module will give specific scientific meanings and explanations to these terms. Selina icse solutions for class 10 physics chapter 2 work, energy and power. In these notes a brief and simple explanation of all important topics. Conservation of energy free fall reminder m1kg free falls from 80m pendulum pendulum conserves energy roller coaster work done by a spring spring potential energy if spring is the only force doing work. This energy we get from the food which we eat and if work is done by machine. You can use these energy ppt in your projects and presentations.
It is measured by the product of the force and the distance moved in the direction of the. The powerpoint discusses the different types of energy, then leads into energy transformations and the law of conservation of energy. Describe the relationship between work and kinetic. Windup toys, grandfather clocks, and pogo sticks are examples of mechanical. Work, energy and power thursday february 12th reading. The template is suitable for presentations about nature science, matter, motion, space and time, energy, astronomy, natural philosophy, scientific revolution, etc. Free slide designs are relevant for electrical engineers and researches who are looking to enter the market of renewable energy sources. In this module, you will learn the fundamentals of work, power and energy and their applications in everyday simple machines.
Energy energy is anything that can be converted into work. What is work energy and power get notes, books, formulas. Work energy relationship the work done by an external force acting on an object causes a change in the mechanical energy of. Produced in collaboration with pbs digital studios. Free slide designs are relevant for electrical engineers and researches who are looking to enter the market of renewable energy sources download energy powerpoint themes such as eco bulb and lightbulb in. Kinetic energy table 71 typical values of work work is force times distancebut. Ppt work and energy powerpoint presentation, free download id. This relationship between kinetic energy and work is called the workenergy theorem. Ppt chapter 6 work and energy powerpoint presentation, free. The kinetic energy k of an object is equal to the amount of work that is required to accelerate the object from rest to a certain velocity, v. Collaborate for free with an online version of microsoft powerpoint. Share them with others and work together at the same time. Introduction to work and energy video khan academy. Work, energy, power chapter 7 in a nutshell work is force times distance.
Energy, work, power, and the law of conservation of mechanical energy energy. This chapters instructors provide you with reallife examples of the forces at play when energy is expended to move an object. These professionally crafted presentation templates for powerpoint provide layouts for making presentations for energy themed topics. In this article you will get cbse class 9 science, chapter notes on work and energy. According to science, a work is said to be done only when a force act onan object which displaces it or which causes the object to move. Free energy ppt slides on fppt range from themes, such as solar energy and wind turbine. Thousands of ppt templates easy to edit with highquality slides, created by top designers around the world. Work done by friction heat thermal atomic motion work energy. If so, share your ppt presentation slides online with. All the exercise of chapter 8 work and energy questions with solutions to help you to revise complete syllabus and score more marks. What physically work is relation between work and energy types of energy how to convert one type of energy into the other one what the conservation of energy is power and efficiency of a machine. Energy powerpoint templates w energythemed backgrounds.
Class 9 science ncert in pdf chapter 11 work and energy. Work is a word that has a little bit of a different meaning in physics and today, shini is going to walk us through it. Work, energy and power tuesday february 10th reading. Along the way, well talk about work, kinetic energy, potential energy, and conservation of energy. Work and energy physics 9 class linkedin slideshare. Ppt work, energy, and power powerpoint presentation free to. Download energy powerpoint themes such as eco bulb and lightbulb in. Energy cant be created or destroyed, it can only be changed from one type into another type. Objectives define kinetic energy and potential energy, along with the appropriate units in each system. Here, youll learn about how its one of the most useful concepts in physics. Download free energy powerpoint templates and themes. Powerpoint slide on work power energy compiled by anil kumar.
With these templates you can cover a wide range of topics related to mobile devices and battery life, green energy, energy efficient modes of production, global warming, energy consumption, engineering, etc. A free powerpoint ppt presentation displayed as a flash slide show on id. Best powerpoint templates download your favorites today. Ppt work, energy, and power powerpoint presentation. Work done by a constant force work is a scalar quantity equal to the product of the displacement x and the component of the force f x in the direction of the displacement work is defined as a force acting upon an object to cause a displacement. Hc verma class 11 physics part1 solutions for chapter 8. Therefore the two conditions required to prove that a work is done are. Work, energy, power work work is force times displacement. Formula of work is wfxs f force in newton s displacement in meters. Work, energy and power class 11 notes physics chapter 6. The work done by a constant force is defined as the distance moved multiplied by the component. In order for work to take place, a force must be exerted through a distance. Ive used this powerpoint for both p1a gcse physics and btec l2 applied science classes. The terms work, power and energy are often used in our daily conversations but have different meanings in physics.
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