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- Introduction to work and energy
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- Class 11 Physics Revision Notes for Chapter 6 - Work, Energy and Power

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In physics we say that work is done on an object when you transfer energy to that object. If one object transfers gives energy to a second object, then the first object does work on the second object. Work is the application of a force over a distance.

Mr Trask's Physics. Search this site. Unit 0 - Introduction. Unit 1 - Kinematics in 1D. Unit 2 - Kinematics in 2D. Unit 3 - Dynamics. Unit 4 - Momentum and Energy.

Unit 5 - Circular Motion and Gravitation. Unit 6 - Equilibrium. Unit 7 - Rotational Dynamics. Unit 9 - Electric Circuits.

Unit 1 - Electrostatics. Unit 2 - RC Circuits. Unit 3 - Electromagnetism. Unit 4 - Fluid Mechanics. Unit 5 - Thermodynamics.

Unit 6 - Waves and Optics. Unit 7 - Nuclear and Quantum. Unit 8 - Review. Unit 1. Unit 2. Unit 3. Unit 4. Unit 5. Unit 6. Unit 7. Unit 8. Year End Review. Unit 1 Vector Kinematics. Unit 2 - Dynamics. Unit 3 - Equilibrium. Unit 4 - Work, Energy, Power, Momentum. Unit 6 - Electrostatics. Unit 7 - Electric Circuits. Unit 8 - Electromagnetism. Capacitance and Resistivity. Center of Mass. Unit 1 - Safety and Review. Unit 2 - The Mole.

Unit 3 - Stoichiometry. Unit 4 - Organic Chemistry. Unit 5 - Atoms and Molecules. Unit 6 - Solution Chemistry. Unit 7 - Review. Unit 1 - Introduction. Unit 2 - Kinematics in 1D. Unit 3 - Kinematics in 2D.

Unit 4 - Newton's Laws. Unit 5 - Forces. Unit 6 - Momentum. Unit 7 - Work, Energy and Power. Unit 8 - Electric Circuits. Unit 9 - Waves. Unit 0 - Trigonometry, Vectors and Graphing. Unit 1 - Vector Kinematics. Unit 4 - Momentum. Unit 0 - Review. Unit 1 - Quadratic Functions. Unit 2 - Solving Quadratics. Unit 3 - Trigonometry. Unit 4 - Radicals. Unit 5 - Systems of Equations. Unit 6 - Inequalities. Unit 7 - Rational Expressions. Activity - Stomp Rocket WorkoutData. Matt Trask, May 25, , AM.

Lab - Stairmaster. Matt Trask, Mar 8, , AM. Notes - 1 - Work - KEY. Matt Trask, Mar 2, , AM. Notes - 5 - Power - KEY. Unknown user, Jul 28, , PM. Unknown user, Mar 23, , PM.

Worksheet - 1 - Work. Worksheet - 2 - Potential Energy. Worksheet - 3 - Kinetic Energy. Worksheet - 4 - law of conservation of energy.

Worksheet - 7 KEY. Matt Trask, Apr 4, , PM. Student Log Notes Package. Work Quiz 1a - 1b - 1c. Notes 7. Work Tutorial. Potential Energy Tutorial. Energy Skate Park Simulation Worksheet. PHeT Simulation. Stairmaster Lab.

Efficiency Lab. Work and Energy Review Session.

The learning objectives in this section will help your students master the following standards:. Use the lab titled Work and Energy as a supplement to address content in this section. In this section, students learn how work determines changes in kinetic energy and that power is the rate at which work is done. Define the general definitions of the words potential and kinetic. Point out that acceleration due to gravity is a constant, therefore PE e that results from work done by gravity will also be constant. Compare this to acceleration due to other forces, such as applying muscles to lift a rock, which may not be constant.

Power is the rate at which work is done. Mathematically, it is computed using the following equation. The standard metric unit of power is the Watt. As is implied by the equation for power, a unit of power is equivalent to a unit of work divided by a unit of time. For historical reasons, the horsepower is occasionally used to describe the power delivered by a machine. One horsepower is equivalent to approximately Watts.

*What happens to the work done on a system? Energy is transferred into the system, but in what form?*

Mr Trask's Physics. Search this site. Unit 0 - Introduction. Unit 1 - Kinematics in 1D. Unit 2 - Kinematics in 2D.

*In physics , work is the energy transferred to or from an object via the application of force along a displacement.*

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