equations paper 2 Flashcards by Freddie CLIFFE

Q

Force

A

F=ma (Force = mass × acceleration)

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Q

weight

A

W=mg (Weight = mass × gravity)

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Q

Work done

A

W=Fd (Work done = force × distance)

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Q

Kinetic energy

A

KE= 1/2mv^2
(Kinetic energy)

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Q

Gravitational Potential energy

A

GPE=mgh (Gravitational potential energy)

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Q

Momentum

A

p=mv (Momentum)
mass x velocity

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Q

Force 2

A

Force = change in momentum / time

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Q

Elastic Potential Energy

A

1/2 force x length^2

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Q

Wave Speed

A

Wave speed = frequency x wavelength

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Q

period of a wave

A

Time period = 1 / frequency

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Q

Force

A

Force = magnetic field x current x length

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Q

transformer equations

A

VpVs = NpNs

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Q

Power

A

P = VI or Power = voltage x current

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