Work + Power Flashcards

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1
Q

What are the units of work?

A

The same as the units of energy - joules -J

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2
Q

What is work?

A

The Transfer of energy

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3
Q

Equation for Work done is?

A

Work Done = Force x Distance Moved W.d = Fxd

Force is measured in Newtons - N
Distance moved is measured in metres - M
Work done is measured in joules - J

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4
Q

What is power?

A

Power is the rate of doing work

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5
Q

What does a powerful engine do compared to a less powerful engine?

A

does work (transfers energy) much faster

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6
Q

Equation for Power is?

A

Power = Work done/ time taken P = W.d/t

⚫ Time is measured in seconds (s).
⚫ Power is measured in watts (W).
⚫ Work done is measured in joules (J).

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