# Physics Equations

What is the formula for average speed?
average speed = distance / time
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What is the formula for force?
force = mass x acceleration
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What is the formula for acceleration?
acceleration = change in velocity / time taken
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What is the formula for density?
density = mass / volume
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What is the formula for work done?
work done = force x distance moved in direction of force
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What is the formula for energy transferred?
energy transferred = work done
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What is the formula for kinetic energy (KE)?
KE = 1/2 x mass x speed (squared)
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What is the formula for gravitational potential energy (GPE)?
GPE = mass x g x height
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What is the formula for weight?
weight = mass x gravitational field strength
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What is the formula for pressure?
pressure = force / area
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What is the formula for moment?
force x perpendicular distance from pivot
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What is the formula for charge?
charge = current x time
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What is the formula for voltage?
voltage = current x resistance
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What is the formula for electrical power
electrical power = voltage x current
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What is the formula for wave speed?
wave speed = frequency x wavelength
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What is the formula for input voltage / output voltage?
input voltage / output voltage = primary turns / secondary turns
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What is the formula for refractive index?
refractive index = sin i / sin r
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What is the formula for critical angle?
sin of critical angle = 1 / refractive index
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What is the formula for pressure difference?
pressure difference = height x density x g
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## Other cards in this set

### Card 2

#### Front

What is the formula for force?

#### Back

force = mass x acceleration

### Card 3

#### Front

What is the formula for acceleration?

#### Back ### Card 4

#### Front

What is the formula for density?

#### Back ### Card 5

#### Front

What is the formula for work done?

#### Back ## Comments

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