Work Power Efficiency Flashcards

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0
Q

Power

A

The rate of energy transformation

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1
Q

The minimum force needed to lift an object is the same as

A

It’s weight

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2
Q

Power equation 3

A
Energy ➗ time
Or 
Work done ➗ time 
Or
Current x voltage
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3
Q

Power is measured in

A

Watts

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4
Q

Define the unit of work (joule)

A

The joule is the amount of work done when a force of 1N is applied through a distance of 1m in the direction of the force

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