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Chapter 2: Foundations of physics (SI Derived Units (Force (N (kgms^-2)),…
Chapter 2: Foundations of physics
SI Base Units
Length
m
Mass
kg
Time
s
Electric current
A
Temperature
K
Amount of a substance
mol
SI Prefixes
SI Derived Units
Force
N
kgms^-2
Pressure
Pa
Nm^-2
Energy/Work Done
J
Nm
Power
W
Js^-1
Electric p.d
V
JC^-1
Electric resistance
Ω
VA^-1
Electric charge
C
As
Frequency
Hz
s^-1
Scalar
Magnitude
Length, mass, time, speed, temperature, volume, energy, p.d, power
Vector
Magnitude and direction
Displacement, velocity, acceleration, force, momentum