DEFINE DIMENSIONS WITH APPROPRIATE EXAMPLES
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Dimensions are simply a way of writing a physical quantity in terms of basic SI quantities raised to some power.
In short, derived physical quantities like energy, force, velocityare written as the product/ division of basic physical quantities like mass, time and length.
Most commonly, only mass, time and length are the dimensions used represented as M, T and L respectively.
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For eg: I can write:
velocity = displacement/time.
Dimension of displacement =L
Dimension of time = T
v = [LT^-1]
similarly, acceleration = velocity/time
a = [LT^-2]
Force = mass × acceleration
F = [MLT^-2]
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