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What do scientists define energy as?
Scientists define energy as the ability to do work or cause a change. It can exist in various forms such as kinetic, potential, thermal, or electromagnetic energy. Energy cannot be created or destroyed, but only transformed from one form to another.
Is it possible for a system to have negative potential energy?
Yes. Potential energy can't be specified in absolute terms; you have to arbitrarily define a reference point. For the case of gravitation, any object below the reference point would have negative potential energy. What matters is not the number assigned to the potential energy, but the difference - this difference would be the same, even if you change your reference level.
What difinition do scientists use for energy?
Scientist define energy as the ability to do work or to cause change. It is a scalar quantity that can be transferred between objects or converted into different forms. Energy exists in various forms such as kinetic, potential, thermal, chemical, nuclear, and electromagnetic.
How would you define the flashlight as a system?
A flashlight can be defined as a system that converts electrical energy from batteries into light energy through the use of a bulb or LED. It includes components such as a housing, switch, batteries, and the light source, all working together to produce portable illumination.
Define Thermal Energy.?
Thermal energy is the energy that comes from the heat of an object. It is the total kinetic energy of the particles within a substance, which is a result of their random motion. Temperature is a measure of the average thermal energy of the particles in a substance.
