VECTOR AND EQUILIBRIUM
1: DEFINITIONS:-
SCALAR
Those physical quantities which can be described by magnitude only are called scalar
e.g.,
mass, length, time, etc.
VECTOR
Those physical quantities which require both magnitude as well as direction for their complete description
e.g.,
force .
A vector quantites are represented by an arrow head line.
RECTANGULAR COORDINATE SYSTEM
It is a system of two or three lines drawn at right angle to each other.
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