Work Done & Power Flashcards

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1
Q

What is work

A

The amount of energy transferred between two energy stores. This is measured in Joules (J)

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2
Q

Work equation

A

W = Fs
Work = force * direction

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3
Q

minimum force needed to lift something

A

Force = weight of object

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4
Q

Kinetic energy equation

A

Ek = (mv^2)/2

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5
Q

Gravitational potential energy equation

A

Ep = mgh

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6
Q

Power definition

A

Energy transferred per unit time. Measured in Watts (W)

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7
Q

Power equation

A

P = E/t

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