Physics IGCSE definitions

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Last updated 1:33 PM on 4/11/26
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8 Terms

1
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Acceleration

v = final velocity (m/s)

u = initial velocity

t = time (s)

<p>v = final velocity (m/s)</p><p>u = initial velocity</p><p>t = time (s)</p>
2
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Weight

W = mg

m = mass (kg)

g = gravitational field strength (9.8m/s²)

3
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Force

F = ma

4
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Spring constant

k = F/x

F = force (N)

x = extension (m)

5
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Fluid Pressure

P = 𝜌gh + A

𝜌 = density of medium (Kg/m³)

g = gravitational force (9.8m/s² or N/kg)

h = height of point from water surface (m)

A = atmospheric pressure (Pa)

6
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Work done

W = Fd

W = work done (J)

F = Force (N)

d = displacement/distance (m)

7
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Power

P = W/t

P = power (W)

W = work (J)

t = time (s)

8
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