You are watching: What type of potential energy does a person standing on a chair have
How to measure up Potential EnergyThe conventional unit for measuring potential energy is the joule, i m sorry is abbreviated as "J."How is it different from kinetic energy?Potential power is stored power while kinetic power is the power of motion. As soon as potential energy is offered it is converted into kinetic energy. You have the right to think the potential power as kinetic energy waiting to happen.
The green ball has actually potential energy due to its height. The purple ball has actually kinetic energy because of its velocity.
A automobile on a HillWe have the right to compare potential and also kinetic power by considering a vehicle on a hill. As soon as the vehicle is in ~ the optimal of the hill it has the most potential energy. If it is sit still, it has actually no kinetic energy. As the automobile begins come roll down the hill, it loser potential energy, yet gains kinetic energy. The potential energy of the place of the auto at the peak of the hill is getting converted right into kinetic energy.
Gravitational Potential EnergyOne kind of potential energy originates from the Earth"s gravity. This is referred to as gravitational potential energy (GPE). Gravitational potential power is the energy stored in things based ~ above its height and also mass. To calculation the gravitational potential power we use the adhering to equation:
Where "g" is the traditional acceleration of heaviness which equals 9.8 m/s2. The height is determined based upon the elevation the object could potentially fall. The height may be the distance over the floor or possibly the rap table we room working on.Example problems:What is the potential power of a 2 kg rock sitting in ~ the peak of a 10 meter high cliff?GPE = fixed * g * heightGPE = 2kg * 9.8 m/s2 * 10mGPE = 196 JPotential Energy and WorkThe potential power is same to the lot of job-related done come get an item into that position. For example, if you to be to background a book off the floor and also place it on a table. The potential power of the book on the table will equal the quantity of work it take it to move the book from the floor to the table.Other varieties of Potential EnergyElastic - Elastic potential power is save when products stretch or compress. Instances of elastic potential energy include springs, rubber bands, and also slingshots.Nuclear - The potential power of the particles inside an atom.
Interesting Facts around Potential EnergyScottish scientist william Rankine very first coined the hatchet potential energy in the 19th century.The equation because that calculating the potential energy of a feather is PE = 1/2 * k * x2, whereby k is the spring consistent and x is the lot of compression.
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ActivitiesTake a ten concern quiz around this page.More Physics topics on Motion, Work, and also Energy
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