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Module 1- Motion
-Physical Quantities and Units
Below are the SI Units used across the world:
Quantity Unit Abbreviation
Mass Kilogram kg
Length Metre m
Time Second s
Temperature Kelvin K
Electrical Current Ampere A
Amount of Substance mole mol…read more

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Module 1- Motion
-Physical Quantities and Units
Below are the Unit prefixes:
Prefix Name Abbreviation
10-12 pico p
10-9 nano n
10-6 micro
10-3 milli m
10-2 centi c
103 kilo k
106 mega M
109 giga G
1012 tera T…read more

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Module 1- Motion
-Scalar and Vector Quantities
A scalar quantity is one that has magnitude (size) but not a direction.
A vector quantity is one that has magnitude (size) and direction.
Scalar Vector
Density Displacement
Temperature Velocity
Pressure Acceleration
Potential Difference Force
Frequency Impulse
Wavelength Momentum
Power Electric Current
Magnetic Field
Electric Field…read more

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Module 1- Motion
-Vector Component Forces
Here is a triangle which trigonometry can be used to find unknowns:
F…read more

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Module 1- Motion
-Definitions in kinematics
Speed is distance per unit time. Speed is the distance
travelled per unit time- it is
Displacement is distance moved a scalar
in a stated direction. Velocity is the displacement
per unit time- it is a vector
Acceleration is the rate of
change of velocity.
Instantaneous speed is the speed at a given instant of time (it is the gradient
of the graph of displacement against the against time at that instant)…read more

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Comments

Khalid

Thanks for the note however the content posted was only unit 2 and none of unit 1 however thanks.

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