Module 3.3 Flashcards

1
Q

What is Conservation of energy?

A

In a closed system with no external forces the total energy of the system before an event is equal to the total energy of the system after the event. The energy does not need to be in the same form after the event as it was before the event.

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2
Q

What is Efficiency?

A

The useful output of a system divided by the total output.

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3
Q

What is Gravitational potential energy?

A

The energy gained by an object when it is raised by a height in a gravitational field.

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4
Q

What is Kinetic energy?

A

The energy an object has due to its motion. It is the amount of energy that would be transferred from the object when it decelerates to rest.

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5
Q

What is power?

A

The rate of work done.

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6
Q

What is Work done?

A

The energy transferred when a force moves an object over a distance.

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