Mechanical Energy

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12 Terms

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Power
is a measure of the rate at which work is done or energy is transferred.
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Impulse
What is the force applied to an object over a given time interval?
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positive
When the angle between the force and the displacement is less than 90 degrees work is…?
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Momentum
The product of an object's mass and its velocity is it’s?
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total energy
In a closed system, the ________ is conserved.
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elastic collisions
What type of collisions conserve kinetic energy?
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inelastic collisions
What type of collisions DO NOT conserve kinetic energy?
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rate of transfer of energy
Power is the
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Work-Kinetic Energy Theorem
What theorem states that the change in kinetic energy of an object is equal to the work done on the object?
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Momentum
Both types of collisions converse
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Work
the transfer of energy through the application of a force over a distance is called?
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energy cannot be created or destroyed, only transformed from one form to another
The principle of conservation of energy states?