Physics Equation Flashcards by Gear Chronical

Q

F = Ke

A

Force = spring constant × extension

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Q

W = Fs

A

Work done = force × distance

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Q

w = mg

A

Weight = mass × gravitational field strength

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Q

P = mv

A

Momentum = mass × velocity

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Q

F = ma

A

Force = mass × acceleration

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Q

a = triangle v ÷ t

A

Acceleration = change in velocity ÷ time

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Q

S = VT

A

Distance = speed × time

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Q

P = m ÷ v

A

Density = mass ÷ volume

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Q

E = QV

A

Energy = charge × potential difference

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Q

p = I2R

A

Power = current2 × resistance

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Q

p = VI

A

Power = potential difference × current

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Q

Q = It

A

Charge = current × time

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Q

V = IR

A

Potential difference = current × resistance

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Q

Ep = mgh

A

Gravitational potential energy = mass × gravity × height

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Q

p = E ÷ t

A

Power = energy ÷ time

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Q

p = w ÷ t

A

Power = work ÷ time

Q

Ek = 0.5 mv2

A

Kinetic energy = 0.5 × mass × velocity2

Q

Efficiency = useful power out ÷ total power in

A

Efficiency = useful power out ÷ total power in