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Work, Energy, and Power - SFA Physics and Astronomy
Work, Energy, and Power - SFA Physics and Astronomy

... Power measures how fast work is done. It is defined as work divided by time (P = W/t). The units are joules/second, called the watt. The ability to do work is energy. It is measured in the same units (joules) as energy. Lifting an object against gravity requires work (a force equal to the weight of ...
Motion, Forces and Energy Lecture 7: Potential Energy & Conservation
Motion, Forces and Energy Lecture 7: Potential Energy & Conservation

Momentum and Energy
Momentum and Energy

1-37 The First Law of Thermodynamics
1-37 The First Law of Thermodynamics

Energy Forms of Energy Types of Mechanical Energy Laws of
Energy Forms of Energy Types of Mechanical Energy Laws of

... • If the resultant force acting on a body is a conservative force then the body’s total mechanical energy will be conserved. • Resultant force will be conservative if all external forces are conservative. • A force is conservative if it does no work around a closed path (motion cycle). ...
P2 definitions quiz. - New College Leicester
P2 definitions quiz. - New College Leicester

... The maximum speed an object can reach. This can be changed by producing a non-zero resultant force (often by increasing / reducing the resistance). Terminal velocity ...
Homework #4 SUR 110 Name: Date: Define the Following Terms: 1
Homework #4 SUR 110 Name: Date: Define the Following Terms: 1

... 28) Newton’s First Law: Every object will remain at rest or in uniform motion in a straight line unless it is made to change its state by the action of an external force. ...
Chapter Five Work, Energy, and Power
Chapter Five Work, Energy, and Power

... Work, Energy, and Power • Definitions in physics do not always match the usage of the words. • We consider mechanical work, energy, and power, for it is the treatment of these terms from First Principle that will be applied directly to electrical circuits. ...
WORK / ENERGY concept WS (honors)
WORK / ENERGY concept WS (honors)

... Below is a track for an old roller coaster ride. Assuming no external motors or propellants (or retarding forces), where along the track should the car come to rest initially? Derive an equation that could be used to calculate the minimum starting height, h, necessary to safely negotiate the loop of ...
Chapter 8 Potential Energy and Conservative Forces
Chapter 8 Potential Energy and Conservative Forces

... Section 8-2 • When a conservative force does work, it shows up as a change in the corresponding potential energy: Wc = –∆U = Ui – Uf. • In the case of gravity the potential energy is U = mgy. Determining the gravitational potential energy of an object requires setting a zero height location. The cho ...
Chemistry 30
Chemistry 30

... Unit 1: Energy Changes in Chemical Reactions Assignment 2: Sections 2-1 to 2-3 ...
Chapter 6, Part IV
Chapter 6, Part IV

First Law of Thermodynamics Control Mass (Closed System)
First Law of Thermodynamics Control Mass (Closed System)

... Polytropic Process: where P V n = C • examples of polytropic processes include: Isobaric process: if n = 0 then P = C and we have a constant pressure process Isothermal process: if n = 1 then from the ideal gas equation P V = RT and P V is only a function of temperature Isometric process: if n → ∞ t ...
Solutions - UCSB C.L.A.S.
Solutions - UCSB C.L.A.S.

... 4) Deep in the forest, a 17.0g leaf falls from a tree and drops straight to the ground. If its initial height was 5.30m and its speed on landing was 1.3m/s, how much non-conservative work was done on the leaf? We will use conservation of energy. Initially the leaf has gravitational potential energy, ...
Ch 7--Energy Transfer #1
Ch 7--Energy Transfer #1

Document
Document

The work done on an object by an external force is given by the
The work done on an object by an external force is given by the

... the total mechanical energy of the object. If only internal forces are doing work (no work done by external forces), there is no change in total mechanical energy; the total mechanical energy is said to be "conserved." The quantitative relationship between work and the two forms of mechanical energy ...
Notes 5.1: Work and Kinetic Energy - Physics Honors I
Notes 5.1: Work and Kinetic Energy - Physics Honors I

P2 Forces and energy Revision Sheet
P2 Forces and energy Revision Sheet

45 m/s - Madison Public Schools
45 m/s - Madison Public Schools

WORK AND ENERGY
WORK AND ENERGY

... The convention is that the potential energy is zero when the distance reaches in nity.  Special case: Near the surface of the earth: Potential energy: W = Fh = mgh = PE Potential energy is a relative quantity. Always de ne your reference point. The convention is to de ne the lowest point in the pro ...
energy - Eastside Physics
energy - Eastside Physics

... • Energy can be transformed from one type to another but the total amount never changes • If one form of energy decreases then another must increase • Mechanical Energy = the sum of kinetic and potential energies ( motion & position) ...
Work and Energy - IES Guillermina Brito
Work and Energy - IES Guillermina Brito

Power Machines Pressure
Power Machines Pressure

Chapter 7
Chapter 7

... A 3 kg mass has an initial velocity, v = (5i - 3j) m/s. What is the kinetic energy at this time? The velocity changes to (8i + 4j) m/s. What is the change in kinetic energy? How much work was done? ...
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Work (thermodynamics)

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