'Negative work' diaporamas de présentation

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Work and Potential Energy

Work and Potential Energy. We had earlier looked briefly at describing potential energy and more substantially at kinetic energy. We had earlier looked briefly at describing potential energy and more substantially at kinetic energy. We will again briefly look at potential energy.

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Work, Energy, Power, and Machines

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Science 10

Science 10. Aim: Algebra, Motion Graphs, and Kinetic and Potential Energy . Agenda. Algebra, Motion Graphs, and Kinetic and Potential Energy Practice calculations Homework: read p. 155-160 Next class. Working with Formulas.

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Electric Potential and Electric Potential Energy

Electric Potential and Electric Potential Energy . Learning Objectives. To introduce the concept of electric potential energy To define the electric potential To find and use the electric potential of point charges, charged spheres, and parallel-plate capacitors

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W o r k & E n e r g y

W o r k & E n e r g y. 4.1 Work Done by a Constant Force. When force and displacement are in the same direction (parallel) The equation is. 4.1Work Done by a Constant Force. Work Applet. If Force is at an angle The more general Equation is More commonly written.

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University Physics: Mechanics

University Physics: Mechanics. Ch7. Work-Kinetic Energy Theorem. Lecture 12. Dr.-Ing. Erwin Sitompul. http://zitompul.wordpress.com. 2012. Energy. Energy is a number associated with the state (or condition) of a system of one or more objects.

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Concepts in Work & Energy

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Test TODAY at 9:30 am in CNH-104 !!!

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Poll

Poll. F rope. Suppose a block is being raised by a rope at constant speed. Which is the correct free-body diagram of the block?. F rope. F rope. F. F. F. grav. grav. grav. A B C. S F y = 0. A. S F x = 0,. S F y ? 0. S F y = 0. S F y ? 0. B. S F x = 0,.

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Poll

Poll. F rope. Suppose a block is being raised by a rope at constant speed. Which is the correct free-body diagram of the block?. F rope. F rope. F. F. F. grav. grav. grav. A B C. S F y = 0. A. S F x = 0,. S F y ? 0. S F y = 0. S F y ? 0. B. S F x = 0,.

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Evaluation of Cushioning Properties of Running Footwear

Evaluation of Cushioning Properties of Running Footwear. D. Gordon E. Robertson, Ph.D.* Joe Hamill, Ph.D.** David A. Winter, Ph.D.# * School of Human Kinetics, University of Ottawa, Ottawa, CANADA ** Dept. of Exercise Science, University of Massachusetts, Amherst, USA

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Work

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Work

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Work pressure and volume C ontents: Basic Concept Example Whiteboards PV Whiteboards Cycles

Work pressure and volume C ontents: Basic Concept Example Whiteboards PV Whiteboards Cycles Whiteboards. Figuring out work:. The piston moves out a distance s: P = F / A , F = PA W = Fs = PAs = P ?V W = P ?V W = work done by gas P = pressure of gas ?V = change in volume of gas

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Work and Energy

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Physics

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Bell Ringer

Bell Ringer. Brown, Jones and Smith are a doctor, a lawyer, and a teacher. The teacher, who is an only child, earns the least money. Smith, who married Brown's sister, earns more than the lawyer. What is each man's job?. Work-Kinetic Energy Theorem.

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Chapter 23

Chapter 23. Electric Potential (cont.). Q23.1. When a positive charge moves in the direction of the electric field,. Motion. + q. A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases.

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Conservative Forces

Conservative Forces. Path Dependence. What happens to work as a rollercoaster goes down hill then up again? What if the roller coaster took a less steep path?. Gravitational Work. The work done by the force of gravity only depends on the vertical distance. y 2. d. F = - mg. h. h. q.

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