Term
distance travelled
time taken
average speed |
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Definition
average speed = distance travelled/ time taken
v = d/t |
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Term
time taken
change in velocity
acceleration
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Definition
acceleration = change in velocity/ time taken
a = (v-u)/t |
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Term
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Definition
force = mass x acceleration
F = ma |
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Term
gravitational field strength
weight
mass |
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Definition
weight = mass x gravitational field strength
w = m x gfs |
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Term
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Definition
momentum = mass x velocity
p = mv |
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Term
perpendicular distance from pivot
moment
force |
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Definition
moment = force x perpendicular distance from pivot
moment = F x d |
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Term
sum of anticlockwise moment
sum of clockwise moment |
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Definition
sum of anticlockwise moment = sum of clockwise moment |
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Term
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Definition
power = current x voltage
p = I x V
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Term
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Definition
energy = power x time
E = p x t |
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Term
time
energy
voltage
current
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Definition
energy = current x voltage x time
E = I x V x t |
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Term
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Definition
charge = current x time
Q = I x t |
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Term
resistance
current
voltage
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Definition
voltage = current x resistance
V = I x R
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Term
frequency
wavelength
wave speed
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Definition
wave speed = frequency x wavelength
v = f x λ |
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Term
law of reflection: angle of incidence = angle of reflection |
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Definition
law of reflection: angle of incidence = angle of reflection |
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Term
Refractive Index:
sin i = sin angle of incidence
sin r = angle of refraction) |
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Definition
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Term
Angle of total
internal reflection |
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Definition
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Term
efficiency = useful energy output from system/ total energy output into system x 100 |
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Definition
efficiency =
useful energy output
---------------------------------- x100
total energy output
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Term
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Definition
work = force x distance
w = F x d |
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Term
GPE
mass
gravitational field strength
height |
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Definition
GPE = mass x gravitational field strenght x height
GPE = m x g x h |
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Term
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Definition
KE = ½ mass x speed²
KE = ½mv²
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Term
work done
power
time taken |
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Definition
power = work done/ time taken
P = W/t |
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Term
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Definition
density = mass/ volume
p = m/v |
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Term
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Definition
pressure = force/ area
p = F/A
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Term
pressure difference
height
density
gravity |
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Definition
pressure difference = height x
density x gravity
p = h x p x g (in liquids) |
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Term
| Pressure is proportional to absolute temperature |
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Definition
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Term
primary turns
primary voltage
secondary turns
secondary voltage
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Definition
primary turn ÷ primary voltage =
secondary turns÷ secondary voltage
Vp/Vs = c1/c2 |
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