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11 Cards in this Set
- Front
- Back
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Energy
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The property of an object that allows it to produce change in the environment or in itself.
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Kinetic Energy
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Energy of an object due to motion.
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Work
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The process of changing the energy of a system by means of forces.
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Work-energy Theorem
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Work done on an object results in a change in kinetic energy.
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Power
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The rate of doing work; The rate at which energy is transferred.
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Machine
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A device that changes the magnitude or the direction of a force needed to do work, making the task easier to accomplish.
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Resistance Force
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(Fr) The force exerted by a machine.
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Effort Force
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(Fe) The force exerted on a machine.
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Mechanical Advantage
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(MA) The ratio of resistance force to effort force.
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Ideal Mechanical Advantage
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The ratio of the effort distance to the resistance distance.
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Efficiency
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The ratio of output work to input work.
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