## Spring energy diagram Work and energy. 10-8-99 Sections 6.1 - 6.4 Energy gives us one more tool to use to analyze physical situations. When forces and accelerations are used, you usually freeze the action at a particular

instant in time, draw a free-body diagram, set up force equations, figure out accelerations, etc. Hang masses from springs and adjust the spring constant and damping. Transport the lab to different planets, or slow down time. Observe the forces and energy in the system in real-time, and measure the period using the stopwatch. Watch a reaction proceed over time. How does total energy affect a reaction rate? Vary temperature, barrier height, and potential energies. Record concentrations and time in order to extract rate coefficients. Do temperature dependent studies to extract Arrhenius parameters. This simulation is best used with teacher guidance because it presents an analogy of chemical reactions. Kinetic energy is only one form

of mechanical energy. The other form is potential energy. Potential energy is the stored energy of position possessed by an object. Oscillations and Periodic Harmonic Motion. Simple Harmonic Motion: Simple Harmonic Motion: Harmonic Motion that is sinusoidal. A displacement X, that varies sinusoidally may be functionally represented as follows: A key feature of the diagram is that the amount of energy expended or received by the system as work can be estimated as the area under the curve on the chart. For a cyclic diagram, the net work is that enclosed by the curve. In the

example given in the figure, the processes 1-2-3 produce a work output, but processes from 3-4-1 require a smaller energy input to return to the starting position Elastic Potential Energy. The second form of potential energy that we will discuss is elastic potential energy. Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing. Elastic potential energy can be stored in rubber bands, bungee chords, trampolines, springs, an arrow drawn into a bow, etc. The Simple Electric Circuit will help you to learn the basic concepts of electricity and electrical circuits. You will experience and build a light circuit powered by a battery and controlled by

a switch. In mechanics and physics, simple harmonic motion is a special type of periodic motion or oscillation motion where the restoring force is directly proportional to the displacement and acts in the direction opposite to that of displacement. Simple harmonic motion can serve as a mathematical model for a variety of motions, such as the oscillation of a spring.In addition, other phenomena can be Century Spring warehouses the largest inventory of high-grade extension springs in the world.Extension springs are designed to absorb and store energy as well as create a resistance to a pulling force. It is initial tension that determines how tightly together an extension spring is coiled.

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