Some important Questions of IIT -JEE and Nimcet #part 4(By : Amit Katiyar) - Videos

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In our day to day life, we come across many queries such
as – What is your height? How should a football player hit
the ball to give a pass to another player of his team? Observe
that a possible answer to the first query may be 1.6 meters,
a quantity that involves only one value (magnitude) which
is a real number. Such quantities are called scalars.
However, an answer to the second query is a quantity (called
force) which involves muscular strength (magnitude) and
direction (in which another player is positioned). Such
quantities are called vectors. In mathematics, physics and
engineering, we frequently come across with both types of
quantities, namely, scalar quantities such as length, mass,
time, distance, speed, area, volume, temperature, work,
money, voltage, density, resistance etc. and vector quantities like displacement, velocity,
acceleration, force, weight, momentum, electric field intensity etc.

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