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16 Cards in this Set
- Front
- Back
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What is the definition of energy?
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the ability to do work
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How do you know if work has been accomplished?
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If an object moves in the direction of a force
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What is kinetic energy?
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the energy of motion
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Give the formula for kinetic energy.
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mass X velocity squared divided by 2
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What is potential energy?
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stored energy or the energy of position
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What is the formula for Gravitational potential energy?
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GPE = weight X height
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What unit is used for work and energy?
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joules
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What is the unit for weight?
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Newtons
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What is the unit for height?
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meters
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What is Mechanical potential energy?
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potential + kinetic energy (total energy of motion and position)
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What is Thermal energy?
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energy of moving particles
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What is Chemical energy?
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energy stored in bonds between atoms
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What is Electrical energy?
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energy of moving electrons
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What is Sound energy?
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Energy caused by passing vibrations.
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What is Light energy?
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Energy carried by vibrating photons (electrically charged particles)
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What is Nuclear energy?
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Energy associated with changes in the nucleus.
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