Engineering Spring 2012 Welcome Copyright © 2012 Little Engineers of Florida.

Slides:



Advertisements
Similar presentations
Unit 7 Energy.  Energy is the ability to do work or cause change. I can work…but I won’t.
Advertisements

 Conservation of energy means energy is not lost or gained  Important equations: E total = KE + GPE KE = ½ mv 2 GPE = ma grav h KE i + GPE i = Ke.
Reading Quiz A cannonball is dropped from a tower. As it falls,
Energy Problems Review for Potential energy, Kinetic energy, Total Energy work, power.
Aim: Applications of Conservation of Energy Do Now: A bullet fired from a rifle emerges with a kinetic energy of 2,400 J. If the barrel of the rifle is.
College and Engineering Physics Potential Energy 1 TOC Definition of Potential Energy Examples of Potential Energy Types of Potential Energy.
Science w/ Ms. Hendryx 9/22/11. Velocity: m/s (distance over time) Position: m (distance) Acceleration: m/s 2 (distance over time squared) Mass: kg Force:
Potential and Kinetic Energy Energy: is the ability to do work.
22-1 Physics I Class 22 Electric Potential Work Integral in Multiple Dimensions (Review)
10-1 Physics I Class 10 Potential Energy and Kinetic Energy in Spring Systems.
Potential and Kinetic Energy. Work and Energy Work = force x distance Work is only done when an object changes position Expressed in joules Energy = the.
ENERGY The measure of the ability to do work Conservation of energy -energy can change forms but can not be destroyed -the total amount of energy in the.
"The ability of a body to perform work is, Energy". The unit of energy is, joule (J). Larger unit of energy is kilo joule (kJ). 1 kJ = 1000 J. There are.
Kinetic and Gravitational Potential Energy
Energy and Power.
Energy is Conserved. Page 220 Example 7.9 Gravitational Potential Energy = mgh = mgy Elastic Potential Energy = ½ky 2 F spring = ky Kinetic Energy = ½mv.
Newton and After. Law of Universal Gravitation F ~ 1/r² ratio of acceleration apple:moon = 3600 moon is 60 times farther from center of earth F = mg on.
The unit to measure work is ___________ The two requirements: Example: How much work is done if the guy pushes with 40 N to move the 20 N box.
Energy (chapter 5) Energy – the ability to do work Electrical, thermal, chemical, etc.
Section 2: Conservation of Energy
Energy  Change Requires Energy  What is energy? –The ability to cause change or do work  Is energy scalar or vector?
Chemical Energy Electrical Energy Potential Energy Kinetic Energy.
Conservation of Energy IT’S THE LAW. Lifting a Ball When you lift a ball to a certain height you __________________. This work (W) is equal to the weight.
Types of EnergyForms of Energy Law of Conservation of Energy Work Renewable and Nonrenewable Sources.
Ideas about Work and Energy What exactly is energy?
Conservation of Mechanical Energy Mechanical Energy – The sum of Potential and Kinetic Energies ME=PE+KE The conservation of mechanical energy states that.
Work and Energy Physics 1. The Purpose of a Force  The application of a force on an object is done with the goal of changing the motion of the object.
Kinetic and Potential Energy UCR MESA. What is Energy? What does it mean if you have a lot of energy? For students it means you can run around, lift weights.
What is energy?. Forms of Energy: KE = Kinetic Energy (motion) PE = Potential Energy (position) ME = Mechanical Energy = KE + PE = ½ mv 2 + mgh.
Work Kinetic Energy Work – Energy Theorem Gravitational Potential Energy Mechanical Energy Conservation of Energy Work Kinetic Energy Work – Energy Theorem.
Physics Section 5.2 Define and apply forms of mechanical energy. Energy is the ability to do work. Kinetic energy is the energy of an object due its motion.
Unit 5: Energy Intro to energy notes. What is energy? Energy is the ability of a physical system to do work Energy takes many forms – The movement of.
 Work  Energy  Kinetic Energy  Potential Energy  Mechanical Energy  Conservation of Mechanical Energy.
Section 6-3 Gravitational Potential Energy. Warm-Up #1 A sailboat is moving at a constant velocity. Is work being done by a net external force acting.
Energy and Power We think about it all the time….
Work and Energy Energy. Kinetic Energy Kinetic energy – energy of an object due to its motion Kinetic energy depends on speed and mass Kinetic energy.
Energy – the ability to do work W = Fd = m a d V f 2 = V i 2 + 2a  x V f 2 - V i 2 = + 2a  x V f 2 - V i 2 = a  x 2.
Energy Transformation. PE vs. KE  We saw this on a quiz.
Energy. Potential and Kinetic Energy.. Energy Mechanical Energy: the energy due to the position of something, or the movement of something. Two main forms.
4.3 Energy and Conservation Laws. Kinetic energy is the energy associated with motion. KE = ½ mv 2 m = mass, v = velocity Types of Energy – Kinetic Energy.
Energy Notes Energy is one of the most important concepts in science. An object has energy if it can produce a change in itself or in its surroundings.
STORED ENERGY Wood is stored chemical energy until it is burned and the potential energy is released. A ball held above the ground has potential energy.
PHY 102: Lecture 4A 4.1 Work/Energy Review 4.2 Electric Potential Energy.
Definitions The scientific definition of work is a force exerted over a distance (work = force · distance) work - The scientific definition of energy is.
Roller Coaster Physics
Energy.
Chapter 5.2 Notes Potential Energy.
Homework Questions?.
KE and PE Practice Quiz Solutions.
Chapter 7 Energy.
Kinetic and Potential Energy
Kinetic and Potential Energy
Nature of Energy Chapter 4.1.
Energy Notes.
Energy Conversion and Conservation
Kinetic Energy -Energy that an object has because of its motion.
WORK AND ENERGY CHAPTER 8.
Kinetic and Potential Energy
WORK AND ENERGY CHAPTER 8.
PE, KE Examples Answers 1. A shotput has a mass of 7.0 kg. Find the potential energy of a shotput raised to a height of 1.8 m. m = 7.0 kg h.
Do Now Give 1 example of potential energy.
Work and Energy Notes on Chapter 5.
ENERGY.
Objectives Define work in terms of energy.
Energy.
Mr. Villa Physics Energy.
Energy Review.
(a) Find the PE at A PE = m g h = ( 500 kg )( 9.8 m/s2 )( 30 m )
Ch 4 Energy Kinetic Energy (KE) – the energy a moving object has because of its motion; depends on mass and speed of object KE = mv2/2 Joule – SI unit.
ATB - Work Review How much Work is done in lifting a 5 N book 3 meters? How much Work is done in carrying that same book up a flight of stairs that are.
Presentation transcript:

Engineering Spring 2012 Welcome Copyright © 2012 Little Engineers of Florida

Engineering Spring 2012 Copyright © 2012 Little Engineers of Florida F = m a Work = force * distance Energy = force * distance Potential Energy = m *g * h Kinetic Energy = ½ m v 2

Engineering Spring 2012 Copyright © 2012 Little Engineers of Florida PE = mgh KE = ½ m v 2 Conservation of Energy PE = mgh = ½ m v 2 = KE

Engineering Spring 2012 Copyright © 2012 Little Engineers of Florida PE = mgh KE = ½ m v 2 S = S 0 + V 0 t + ½ a t m/s 2 = 5m m * 9.8 * 5 = ½ m v * 5 = ½ v 2 v = SQRT (2 * 9.8 * 5) v = m/s

Engineering Spring 2012 Copyright © 2012 Little Engineers of Florida weight = m*g *(r/s) 2 r = radius of earth s = distance above earth Energy = m*g *(r/s) 2 * ds

Engineering Spring 2012 Copyright © 2012 Little Engineers of Florida weight = m*g *(r/s) 2 r = radius of earth s = distance above earth Energy = m*g *(r/s) 2 * ds So Total Energy to get in space, PE in space = g * m * r PE = KE g * m * r = ½ m v 2 S sound = 340 m/s, EV = 33 * S sound

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com Inc. All rights reserved.