Potential Energy.

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Presentation transcript:

Potential Energy

Potential Energy Gravitational potential energy Elastic potential energy Chemical potential energy Electrical potential energy Magnetic potential energy

Gravitational Potential Energy The amount of energy stored in an object that is above a reference point

Gravitational Potential Energy Depends on The height of an object above a reference point The mass of the object Gravity (9.81 m/s2) Eg = mgh

Elastic Potential Energy The amount of energy stored in an object that is being stretched or compressed from its resting position

Elastic Potential Energy Depends on The distance from the resting point (Δx= distance) Δ means change The resistance of the object to stretch or compress (k= spring constant) Eelastic = ½ k (Δx)2

Chemical Potential Energy Potential energy stored in the position and arrangement of atoms

Chemical Potential Energy Depends on the rearrangement of atoms that make up the new substance (Chemical reaction)

Endothermic Reaction that require energy LIGHT ENERGY CONVERTS TO CHEMICAL ENERGY

Endothermic Examples Food to Energy

Exothermic Reaction that releases energy

Exothermic Example

Electrical Potential Energy Energy stored in the position of electrically charged particles

Electrical Potential Energy The position of the charged particles The change in the position of the charged particle

Magnetic Potential Energy Energy stored in magnetic objects

Magnetic Potential Energy The position of the magnetic objects relative to each other

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