Question

In: Physics

Essay The    ‘valentine    vector’    says,    “I    was    only    a    scalar    until    you &nbs

Essay

The    ‘valentine    vector’    says,    “I    was    only    a    scalar    until    you    came    along    and    gave    me    direction.”
What    is    your    scientific    insight    in    this    statement?

Solutions

Expert Solution

What Is Scalar Quantity?
Scalar quantity is defined as
The physical quantity with magnitude and no direction.

Some physical quantities can be described just by their numerical value (with their respective units) without directions (they don’t have any direction). The addition of these physical quantities follows the simple rules of the algebra. That is only their magnitudes are added.

What is Scalar quantity example?
There are plenty of scalar quantity examples, some of the common examples are:

Mass
Speed
Distance
Time
Area
Volume
Density
Temperature


What Is Vector Quantity?
A vector quantity is defined as
The physical quantity that has both direction as well as magnitude.

A vector with the value of magnitude equal to one and direction is called unit vector represented by a lowercase alphabet with a “hat” circumflex. That is “û“.

What are some examples of vector quantities?
Vector quantity examples are many, some of them are given below:

Linear momentum
Acceleration
Displacement
Momentum
Angular velocity
Force
Electric field
Polarization


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