Energy, Work, Power, and the Law of Conservation of Mechanical Energy

Dec 23, 2013

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Energy, Work, Power, and the Law of Conservation of Mechanical Energy

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The Law of Conservation of Energy

The Law of Conservation of Energy. Energy cannot be created or destroyed; it may be transformed from one form into another, but the total amount of energy never changes. What is energy?. “the ability to do work” The combination of energy and matter make up the universe:

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Conservation of Mechanical Energy

Conservation of Mechanical Energy. 6.5. Mechanical Energy. KE and PE = total mechanical energy E = KE + PE Actually there are other forms of energy to include, but we haven’t met them yet in the book. Work Energy Theorem (again). W nc = (KE f – KE 0 ) + (PE f – PE 0 ) Rearrange

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Mechanical Energy, Work and Power

Mechanical Energy, Work and Power. D. Gordon E. Robertson, PhD, FCSB Biomechanics Laboratory, School of Human Kinetics, University of Ottawa, Ottawa, Canada. Energy. Ability to do work Measured in joules (J)

810 views • 30 slides

Energy Transformation and the Law of Conservation of Energy

Energy Transformation and the Law of Conservation of Energy. Energy.

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The Law of Conservation of Energy

The Law of Conservation of Energy. Follow Me. Suppose a 0.500kg rock falls from a height of 78.4m and that its Eg at the bottom is zero (h=0 ). It’s speed is: 2. Distance fallen is:. At the Top. 3. Height is : 4. It’s gravitational potential energy at the top will be :

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Conservation of Mechanical Energy

Conservation of Mechanical Energy. Boquilon , S haira P. Pulido , Rhea Angelie G. Mendiola , Issiah Jeremiah L. Cubillan , Kim Christian T. Almeda , Angelica A. Edradan, Gabrielle Ruth R.

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Conservation of Energy and Work

Conservation of Energy and Work. Principles of Physics - Foederer. Conservation of Energy. All energy in existence is already here. It cannot be created or destroyed, only transferred among systems. So, E total before transfer = E total after transfer. Example.

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Conservation of Mechanical Energy

Conservation of Mechanical Energy. Kinetic Energy and Potential Energy. http://www.loqu.com/top-10-most-significant-land-speed-records-of-all-time/blogs/hotday-5390.

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Physics Conservation of mechanical Energy

Physics Conservation of mechanical Energy. Conservation of Mechanical Energy. A roller coaster hill is 40 meters high. Assuming a roller coaster car starts from rest at the top, calculate The speed of the roller-coaster car at the bottom of the hill

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Mechanical Energy Conservative Forces Conservation of Mechanical Energy

Mechanical Energy Conservative Forces Conservation of Mechanical Energy. Conserved Quantities. When a quantity is conserved, it remains constant The amount of a conserved quantity is the same at the beginning of a situation as it is at the end of the situation. Conservation of Energy.

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Conservation of Mechanical Energy

Conservation of Mechanical Energy. Chapter 6. Energy. As you know, energy comes in many forms . Kinetic Energy Potential Energy Gravitational Potential Energy (gravity) Elastic Potential Energy (springs, rubber bands) Chemical Energy (chemical bonds) Rest Mass Energy = Nuclear (E = mc 2 )

684 views • 16 slides

Conservation of Mechanical Energy

Conservation of Mechanical Energy. Important points to consider: In the absence of friction, no energy is lost. It is only converted from one form to another. For example, energy may be converted from potential to kinetic and vice versa.

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EPE – Calories- Law of Conservation of Energy and Work-Energy Theorem

EPE – Calories- Law of Conservation of Energy and Work-Energy Theorem. Another type of PE is… Elastic Potential Energy( EPE) Energy stored in an obj. at its stretched or compressed state. Obj. will return to its original or relaxed length. Elastic Potential Energy.

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Mechanical Energy, Work and Power

Mechanical Energy, Work and Power. D. Gordon E. Robertson, Ph.D. Biomechanics Laboratory, School of Human Kinetics, University of Ottawa, Ottawa, CANADA. Energy. Ability to do work Measured in joules (J) One joule is the work done when a one newton force moves an object through one metre

790 views • 27 slides

The law of conservation of mechanical energy

The law of conservation of mechanical energy. TOPIC : The law of conservation of mechanical energy. How is kinetic energy defined?. Kinetic energy is defined as E k =1/2 mv 2. How is gravitational energy is defined?. Gravitational potential energy is defined as E pg =mgh.

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Law of the Conservation of Mechanical Energy

Law of the Conservation of Mechanical Energy. When gravity is the only external influence on an object, its mechanical energy remains constant. FORMULA: (PE + KE) = C where C is some constant value. Law of the Conservation of Mechanical Energy.

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Work Energy Kinetic Energy Potential Energy Mechanical Energy Conservation of Mechanical Energy

Work Energy Kinetic Energy Potential Energy Mechanical Energy Conservation of Mechanical Energy. ENERGY. The capacity to do work The energy transferred to an object equals the work done on the object  E T = W. Energy is present in many forms Heat (thermal energy)

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CONSERVATION OF MECHANICAL ENERGY

CONSERVATION OF MECHANICAL ENERGY. FRICTIONLESS FLOW ALONG A STREAMLINE MECHANICAL ENERGY BALANCE ON A UNIT MASS OF FLUID POTENTIAL ENERGY KINETIC ENERGY FLOW ENERGY. THE BERNOULLI EQUATION.

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Conservation of Mechanical Energy

236 views • 16 slides

Work-Energy Theorem and Conservation of Mechanical Energy

Work-Energy Theorem and Conservation of Mechanical Energy. From: http://www.myteacherpages.com/webpages/MNeipp/files/work%20&%20energy.ppt. THE PRINCIPLE OF CONSERVATION OF ENERGY Energy can neither be created nor destroyed, but can only be converted from one form to another.

592 views • 35 slides

The Law of Conservation of Energy

The Law of Conservation of Energy. Energy cannot be created or destroyed; it may be transformed from one form into another, but the total amount of energy never changes. What is energy?. “ the ability to do work ” The combination of energy and matter make up the universe:

342 views • 24 slides

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