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UNIT
2.1
Mechanic Scalars and vectors
s The addition of vectors by calculation or scale drawing.
Limited to two perpendicular vectors.
The resolution of vectors into two components at right
angles to each other; examples should include the
components of forces along and perpendicular to an
inclined plane
Conditions for…

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For constant mass, F = ma.



Work, energy and Power




Conservation of energy
Principle of conservation of energy, applied to examples
involving gravitational potential energy, kinetic energy
and work done against resistive forces




2.2
Materials Bulk Properties of solids




Description of plastic behaviour, fracture and brittleness;
interpretation of simple-strain curves…

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Polarisation as evidence for the nature of transverse
waves; applications e.g. Polaroid Sunglasses, aerial
alignment for transmitter and receiver
Refraction at a plane surface


Candidates are not expected to recall methods for
determining refractive indices. Law of refraction for a
boundary between two different substances of refractive
indices n1 and…

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