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PF1.5: WORK, ENERGY AND POWER. Energy exists in many different forms, eg, kinetic energy Ek, potential energy Ug, electrical energy, and elastic (or spring) energy Es. A fundamental principle of nature is that energy cannot be created or destroyed, only transformed or transferred.
Figure \(\PageIndex{4}\): This circle shows a summary of the equations for the relationships between power, current, voltage, and resistance. Which equation you use depends on what values you are given, or you measure.
Teacher Toolkit - The Basics of Work, Energy, and Power Objectives: 1. To describe the conditions under which positive and negative work are done and to use the work equation to calculate the amount of work done. 2. To define potential energy, to identify the two forms and the variables that affect the amount of each form, and
Use the equations for mechanical energy and work to show what is work and what is not. Make it clear why holding something off the ground or carrying something over a level surface is not work in the scientific sense.
Experiment One: Houston, we have liftoff. Introduction: We use falling water, after it is impounded behind dams, to do work on turbines and make electricity (electrical energy) for us. Although nature does the work of lifting this water into the air over the oceans, we can similarly do work on an object by lifting it above the ground.
The Basics of Work, Energy, and Power Objectives: 1. To describe the conditions under which positive and negative work are done and to use the work equation to calculate the amount of work done. 2. To define potential energy, to identify the two forms and the variables that affect the
For our first experiment we will use a force parallel to an inclined plane to pull a cart up the inclined plane at a constant velocity. We will measure the force required to do this and then calculate the work involved in this process.
