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energy vocab
| Term | Definition |
|---|---|
| energy | property of objects which can be transferred to other objects or converted into different forms |
| power | rate at which energy is transformed |
| joule | equal to the energy transferred to an object when a force of one newton (N) acts on that object in the direction of its motion through a distance of 1 meter |
| impulse | the quantity of force an time applied in a situation |
| momentum | product of the mass and velocity of an object (Ns) |
| work | a force applied to an object that results in a displacement in the same direction |
| displacement | vector quantity which refers to an objects change in position (f-i) |
| watt | the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere. |
| time | the indefinite continued progress of existence and events in the past, present, and future regarded as a whole |
| potential energy | the energy of position |
| kinetic energy | the energy of motion |
| gravitational potential energy | is energy an object possesses because of its position in a gravitational field. |
| spring constant | A characteristic of a spring which is defined as the ratio of the force affecting the spring to the displacement caused by it. |
| law of conservation of energy | energy is never created or destroyed |
| newton | the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes. |
| mechanical energy | the sum of potential and kinetic energy for an energy |
| elastic | energy related to the stretch or compression of an object |
| inelastic | A perfectly elastic collision is defined as one in which there is no loss of kinetic energy in the collision. An inelastic collision is one in which part of the kinetic energy is changed to some other form of energy in the collision. |
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