BellRinger Where does it look like the skater is defying gravity?

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

Time (s)012 Mass of car & bucket (kg) Mass of falling bucket (kg) Force of falling bucket (F = m x a (earth) ) (N) Acceleration of the system ( F = m.
Reading Quiz A cannonball is dropped from a tower. As it falls,
E W Work and Energy Work Done By a Constant Force Work is defined as the product of the constant force and the distance through which the point of application.
Phy100: More on Energy conservation Mechanical energy (review); Goals: Work done by external forces; Understand conservation law for isolated systems.
 E k – the energy an object has because it is moving.
Mechanical Work: More Practice. Gravitational Potential Energy: More Practice.
By-Tanmaye Gupta ENERGY IGCSE PHYSICS What is Energy? Energy is the capacity to do work. The S.I. unit of energy is Joules 1Joule = 10 7 erg
Chapter 12: Energy & Work Unit Integrated Science I.
Integrated Science Unit 2, Chapter 5.
Tuesday, September 29, 2009 In olden days, something was only considered “doing work” if you were getting tired or sweaty doing it. Make up a definition.
Kinetic Energy A moving object has energy because of its motion. This energy is called kinetic energy.
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.
Test Review Chapters Relativity. Question #1 What happens to the gravitational force when 2 objects get farther away from each other?
Gravity and Free Fall.  Gravity - attraction between objects with mass  Gives weight  Causes free fall Gravity.
 E is always constant, but KE and PE can change  If PE and KE change, they must change in such a way as to keep E constant Example Consider the 1D free-fall.
Kinetic Energy and Work. Energy Loosely defined as the ability to do work There are many types of energy, but the total energy of a system always remains.
K INETIC E NERGY AND W ORK. E NERGY Loosely defined as the ability to do work There are many types of energy, but the total energy of a system always.
Chapter 5 Part 2 Mechanical energy: Kinetic Potential Gravitational Potential Elastic.
Kinetic Energy m s F v E k = 1 / 2 mv 2 E k - Kinetic energy v - velocity m - mass.
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.
IQ4/24/14 Define energy in your own words. List all of the forms of energy that you could find within this room.
Energy and Work Part 2. What is Work Work is the transfer of energy through motion –When force acts over a distance in the direction of an object’s motion.
Conservation of Energy (a.k.a Slacker Physics). Now, Really…Conservation of Energy In a system, energy can not be created or destroyed. Energy can change.
17/5/16 Learning Objective: To develop an understanding of the relationship between work done, force and distance Learning Outcomes: Work out the relationship.
WORK, POWER AND ENERGY. WORK Work is done ONLY when a force moves an object Work is a force acting over a distance If an object does NOT move when a force.
In this section you will use the equation to calculate work done use the equation to calculate kinetic energy solve simple energy interchange problems.
Physics Section 5.4 Define “power” Power- is the rate at which work is done or energy is transformed. P = W ∆t P = power (watts) W = work (J) t = time.
Potential and Kinetic Energy Aim: How can we determine the different types of energy an object has?
Energy and Work. Work… Work = Force // x Displacement W = F // x d ** Remember that displacement is the distance AND direction that something moves. It.
Forces.
Speed, Velocity, Acceleration Notes. Speed (Distance ÷ time)
Gravity and Free Fall.
Notes 5.2: Work and Kinetic Energy
Work – in the physics sense of the word
Unit 6 Notes Work, Enery, & Power.
1a i) KE = ½ x mass x speed2 1a i)
Work and Energy SPH3U.
Energy Chapter 4.
a) find the acceleration
Calculations Involving Potential & Kinetic Energy
Newton’s Second Law How does mass affect acceleration? 2.How does mass
What is the idea of Work and how does we use this to solve Energy problems Use “Work” when there is an external force (like friction or pushing/pulling).
Kinetic Energy.
Kinetic Energy Define Energy: Define Kinetic:.
Energy.
Physical Science Ch. 15: Energy.
What is Motion? Motion: A change in position of an object compared to a reference point Motion can be measured in the following ways:
ENERGY.
1 By what factor does the kinetic energy of a car change when its speed is tripled? 1) no change at all 2) factor of 3 3) factor of 6 4) factor of.
Energy, Work & Power Energy Problems Day #2.
Newton’s 2nd Law Physical science ppt #
Work, Energy and Power.
7.2 Energy.
Kinetic and Potential Energy
Mechanical Energy.
6.1 Work Work is done when a force is applied to an object and the object moves in the direction of the applied force.
Energy Review.
Forces and the Laws of Motion
GRAVITATIONAL POTENTIAL & KINETIC ENERGY
CN What Is Speed Part I October 10, 2017 Page 29.
Work, Energy, Power.
Objectives Define work in terms of energy.
P2 - Physics Movement.
Problem 1 A snowmobile does 120 J of work, applying a force of 13 N. How far does it move?
(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.
MR G’s Water Rocket experiment
Work.
Presentation transcript:

BellRinger Where does it look like the skater is defying gravity?

Problem 1 How much work is done by Pikachu who uses a force of 20 N to move a kitty cat 2.3m?

Problem 2 55, 000J of work is done by Goku to move a rock 25m. How much force was applied?

Problem 3 Lord Death applies a force of 489.5N to Shinigami Chop to his opponent.  The amount of work done is 1762.2J.   What distance did his opponent move?

Problem 4 What is the kinetic energy of Naruto with a mass of 60.0 kg traveling at a speed of 5.5 m/s?

Problem 5