Science Dudes: Measurement

20 Examples Of Scalar and Vector Quantities List

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In our previous post, we discussed about <a href="https://science-dudes.blogspot.com/2019/08/scalar-and-vector-quantities-definition.html" target="_blank">Scalars & Vectors</a>. But you might be wondering what are some examples of scalar quantity? Here's the list of 20 scalar and vector quantities.<br />
<br />
<h3 style="text-align: left;">
Scalar Quantities Examples</h3>
<div>
<ol style="text-align: left;">
<li>Length</li>
<li>Time</li>
<li>Mass</li>
<li>Temperature</li>
<li>Energy</li>
<li>Direct Current (DC)</li>
<li>Frequency</li>
<li>Volume</li>
<li>Speed</li>
<li>Amount of substance</li>
<li>Luminous Intensity</li>
<li>Density</li>
<li>Concentration</li>
<li>Refractive Index</li>
<li>Work</li>
<li>Pressure</li>
<li>Power</li>
<li>Charge</li>
<li>Electric Potential</li>
<li>Entropy</li>
</ol>
<h3 style="text-align: left;">
Vector Quantities Examples</h3>
</div>
<div>
<ol style="text-align: left;">
<li>Impulse</li>
<li>Force</li>
<li>Momentum</li>
<li>Velocity</li>
<li>Acceleration</li>
<li>Displacement</li>
<li>Angle</li>
<li>Alternating Current</li>
<li>Torque Of Couple</li>
<li>Weight</li>
<li>Thrust</li>
<li>Electric Field Strength</li>
<li>Magnetic Field Strength</li>
<li>Gravitation</li>
<li>Angular Velocity</li>
<li>Angular Momentum</li>
<li>Centripetal Force</li>
<li>Drag Force</li>
<li>Frictional Force</li>
<li>Tension</li>
</ol>
</div>
</div>

20 Examples Of Scalar and Vector Quantities List

In our previous post, we discussed about Scalars & Vectors . But you might be wondering what are some examples of scalar quantity? H...

20 Physical Quantities With Their SI Units and CGS Units

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As in the previous post, we discussed about <a href="http://science-dudes.blogspot.com/2015/04/physical-non-physical-quantity-definition-physics.html" target="_blank">Physical and Non-Physical Quantities</a>. In this article, I’m going to provide you a <a href="http://science-dudes.blogspot.com/2015/04/10-examples-of-physical-and-non.html" target="_blank">list of Physical quantities</a> along with their SI and CGS Units.

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<table border="1" cellpadding="2" style="width: 100%;">
<tbody>
<tr>
<td> Physical Quantity</td>
<td> SI Units</td>
<td> CGS Units</td>
</tr>
<tr>
<td> Length</td>
<td> m</td>
<td> cm</td>
</tr>
<tr>
<td> Mass</td>
<td> kg</td>
<td> g</td>
</tr>
<tr>
<td> Time</td>
<td> s</td>
<td> s</td>
</tr>
<tr>
<td> Area</td>
<td> m<sup>2</sup></td>
<td> cm<sup>2</sup></td>
</tr>
<tr>
<td> Acceleration </td>
<td> m⋅s<sup>-2</sup></td>
<td> cm⋅s<sup>-2</sup></td>
</tr>
<tr>
<td> Velocity</td>
<td> m⋅s<sup>-1</sup></td>
<td> cm⋅s<sup>-1</sup></td>
</tr>
<tr>
<td> Density</td>
<td> kg⋅m<sup>-3</sup></td>
<td> g⋅cm<sup>-3</sup></td>
</tr>
<tr>
<td> Energy</td>
<td> kg⋅m<sup>2</sup>⋅s<sup>-2</sup></td>
<td> g⋅cm<sup>2</sup>⋅s<sup>-2</sup></td>
</tr>
<tr>
<td> Force</td>
<td> kg⋅m⋅s<sup>-2</sup></td>
<td> g⋅cm⋅s<sup>-2</sup></td>
</tr>
<tr>
<td> Impulse</td>
<td> kg⋅m⋅s<sup>-1</sup></td>
<td> g⋅cm⋅s<sup>-1</sup></td>
</tr>
<tr>
<td> Pressure</td>
<td> kg⋅m<sup>-1</sup>⋅s<sup>-2</sup></td>
<td> g⋅cm<sup>-1</sup>⋅s<sup>-2</sup> </td>
</tr>
<tr>
<td> Power</td>
<td> kg⋅m<sup>2</sup>⋅s<sup>-3</sup></td>
<td> g⋅cm<sup>2</sup>⋅s<sup>-3</sup></td>
</tr>
<tr>
<td> Momentum</td>
<td> kg⋅m⋅s<sup>-1</sup></td>
<td> g⋅m⋅s<sup>-1</sup></td>
</tr>
<tr>
<td> Moment of Inertia</td>
<td> kg⋅m<sup>2</sup></td>
<td> g⋅cm<sup>2</sup></td>
</tr>
<tr>
<td> Surface Tension</td>
<td> kg⋅s<sup>-2</sup></td>
<td> g⋅s<sup>-2</sup></td>
</tr>
<tr>
<td> Electric Current</td>
<td> A</td>
<td> bi</td>
</tr>
<tr>
<td> Temperature</td>
<td> k</td>
<td> k</td>
</tr>
<tr>
<td> Time</td>
<td> s</td>
<td> s</td>
</tr>
<tr>
<td> Dynamic Viscosity</td>
<td> kg⋅m<sup>-1</sup>⋅s<sup>-1</sup></td>
<td> g⋅cm⋅s </td>
</tr>
<tr>
<td> Kinematic Viscosity</td>
<td> m<sup>2</sup>⋅s<sup>-1</sup></td>
<td> cm<sup>2</sup><sup>⋅</sup>s<sup>-1</sup></td>
</tr>
</tbody>
</table>
</div>

20 Physical Quantities With Their SI Units and CGS Units

As in the previous post, we discussed about Physical and Non-Physical Quantities . In this article, I’m going to provide you a list of P...

Scalar and Vector Quantities Definition, Differences, & Examples

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In this article, I will provide you the definition of scalar and vector quantities. I'll also provide the differences between them along with some examples to clear the concept.<br />
<br />
<h2 style="text-align: left;">
Scalar Quantities</h2>
<i>Those physical quantities which are specified only by their magnitude or size are known as scalar quantities.</i> For example:- Length, speed, mass, work, density, temperature, etc. <b>Scalar quantities do not have direction</b>, and are expressed as single number. Take the temperature of your city for instance. How do you express it? Suppose i ask you, what’s the temperature of your city today, if your phone says 24 degrees celsius? You would probably answer “It’s 24 degrees celsius today”, right? Yes you’re right! You express it by just a number, no further explanation. But Vectors are different.<br />
<br />
<h2 style="text-align: left;">
Vector Quantities</h2>
<i>Those physical quantities which are specified by both <b>magnitude as well as direction </b>are known as vector quantities</i>, such as displacement, force, velocity, acceleration, etc. Vector quantities are expressed with the symbol of the quantity along with an arrow above it. In the example given above, how did you express the temperature? Just by a single number, right? Let's talk about displacement now which is a vector quantity. Displacement means the shortest distance between any two points in a fixed direction. See how i define it? I'm emphasizing on its direction. Displacement cannot simply be expressed as 4 meters or 10 meters, we always need to specify the direction too. We can say 4 meters towards east, which is a valid example of displacement. Simply saying 4 meters would not be considered as displacement, it's distance, which is a scalar quantity.<br />
<br />
<h3 style="text-align: left;">
Difference Between Scalar and Vector Quantity in Tabular Form</h3>
<table border="1" style="height: 123px; width: 100%;">
<tbody>
<tr style="height: 21px;">
<td style="background-color: grey; height: 21px;"> Scalar Quantity</td>
<td style="background-color: grey; height: 21px;"> Vector Quantity</td>
</tr>
<tr style="height: 21px;">
<td style="height: 21px;"> Only has magnitude</td>
<td style="height: 21px;"> Has magnitude & direction both</td>
</tr>
<tr style="height: 21px;">
<td style="height: 21px;"> Can be expressed as symbol of the specified quantity. Eg: 't' for temperature</td>
<td style="height: 21px;"> Must been expressed with its symbol and an  arrow above it.</td>
</tr>
<tr style="height: 21px;">
<td style="height: 21px;"> Involves simple calculations</td>
<td style="height: 21px;"> Involves complex calculations</td>
</tr>
<tr style="height: 21px;">
<td style="height: 21px;"> Eg: mass, length, temperature, etc.</td>
<td style="height: 21px;"> Eg: velocity, displacement, force, etc.</td>
</tr>
</tbody>
</table>
<div>
</div>
</div>

Scalar and Vector Quantities Definition, Differences, & Examples

In this article, I will provide you the definition of scalar and vector quantities. I'll also provide the differences between them a...

Electric Current is Called Physical Quantity. Why?

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Electric current gives the measurement of charge flowing
across a conductor and it can be measured. The instrument used to measure
electric current is called Ammeter. Ammeter measures the rate of flow of charge
across a conductor. Hence, Electric current is called physical quantity.
Ammeter is connected in series combination in an electric circuit. <o:p></o:p></div>

Electric Current is Called Physical Quantity. Why?

Electric current gives the measurement of charge flowing across a conductor and it can be measured. The instrument used to measure elec...

Fundamental & Derived Quantity Definition - Physics

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In terms of physics, the quantities can be classified into two
types. They are Fundamental and Derived Quantities. This division is based on
their dependency. <o:p></o:p></div>
<h1>
Fundamental Quantities<o:p></o:p></h1>
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The quantities that do not depend on any other physical
quantity for their measurement are known as fundamental quantities. These
quantities do not take support of other physical quantities for its
measurement. There are only 7 fundamental physical quantities. And rest of all other
quantities are derived quantities. They are listed below.<o:p></o:p></div>
<h2>
Fundamental Quantities along Their Units<o:p></o:p></h2>
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Mass<o:p></o:p></div>
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Kilogram<o:p></o:p></div>
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Time<o:p></o:p></div>
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Second<o:p></o:p></div>
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Temperature<o:p></o:p></div>
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Kelvin<o:p></o:p></div>
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Electric Current<o:p></o:p></div>
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Ampere<o:p></o:p></div>
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Luminous Intensity<o:p></o:p></div>
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Candela<o:p></o:p></div>
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Length<o:p></o:p></div>
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Meter<o:p></o:p></div>
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Amount Of Substance<o:p></o:p></div>
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Mole<o:p></o:p></div>
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For example:  the
fundamental quantity, mass, can be measured directly using balance and hence it
does not depend upon other quantity. <o:p></o:p></div>
<h1>
Derived Quantities<o:p></o:p></h1>
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The Physical quantities that depend upon other physical
quantity for its measurement are known as derived quantities. The measurement
of derived quantities directly depends upon other quantities. So in order to
measure the derive quantity, one must measure the quantities that it depends
upon. Except 7 fundamental quantities, all other quantities are derived
quantities. Some examples of derived quantities are:<o:p></o:p></div>
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Acceleration<o:p></o:p></div>
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m/s^2<o:p></o:p></div>
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Density<o:p></o:p></div>
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Kg/m^3<o:p></o:p></div>
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Pressure<o:p></o:p></div>
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Pascal<o:p></o:p></div>
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Potential Difference<o:p></o:p></div>
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Volt<o:p></o:p></div>
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Volume<o:p></o:p></div>
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M^3<o:p></o:p></div>
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Force<o:p></o:p></div>
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Newton<o:p></o:p></div>
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Speed<o:p></o:p></div>
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m/s<o:p></o:p></div>
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Area<o:p></o:p></div>
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M^2<o:p></o:p></div>
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Derived Quantity like speed depends upon length and time.
Hence it is called derived quantities. </div>
</div>

Fundamental & Derived Quantity Definition - Physics

In terms of physics, the quantities can be classified into two types. They are Fundamental and Derived Quantities. This division is ba...

10 Examples Of Physical And Non-Physical Quantities

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In the previous post, we discussed about physical and
non-physical quantity. I planned to write this post to clarify the topic better
and this can be done by reading examples. Below are the 10 examples of Physical
Quantities.<o:p></o:p></div>
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<b>Quantities</b>                                                                                  <b>Units</b></div>
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Mass                                                                                         Kilogram<o:p></o:p></div>
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Acceleration                                                  
                            M/S^2<o:p></o:p></div>
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Force                                                                                         Newton<o:p></o:p></div>
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Temperature                                                                               Kelvin<o:p></o:p></div>
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Length                
                                                                       Meter<o:p></o:p></div>
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Density                                                                                       kg/m^3<o:p></o:p></div>
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Pressure                                                       
                            Pascal<o:p></o:p></div>
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Electric Current                                                                         Ampere<o:p></o:p></div>
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Luminous Intensity                                                                     Candela<o:p></o:p></div>
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Electric Charge                                                                         Columb <o:p></o:p></div>
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Only Physical Quantities
have unit, therefore non-physical quantities are unit less.</div>
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<o:p></o:p></div>
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10 Examples of Non-Physical Quantity are:<o:p></o:p></div>
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<b>Quantities<o:p></o:p></b></div>
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<b><br /></b></div>
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Feelings<o:p></o:p></div>
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Love<o:p></o:p></div>
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Rudeness<o:p></o:p></div>
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Proudness</div>
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Respect<o:p></o:p></div>
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Pride<o:p></o:p></div>
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Hate<o:p></o:p></div>
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Angry<o:p></o:p></div>
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Loyalty<o:p></o:p></div>
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Stupidity<o:p></o:p></div>
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Hope the above examples clear everything. <o:p></o:p></div>
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          <o:p></o:p></div>

10 Examples Of Physical And Non-Physical Quantities

In the previous post, we discussed about physical and non-physical quantity. I planned to write this post to clarify the topic better and...

Physics: Physical & Non-Physical Quantity Definition

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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4A_HtZG0ou3tZ5rr6186V1ZDvnfGhnfdF1J94AXzqNVz9s0zJ-w5SeAyOGVrMqdAlrvZu8YBR1OfZ7XDxDrSo7btauT7ohEcMOxFOqTYuHjNOUvarC01Gwyiot5K3OQ-ktPvJY8HFgxo/s1600/stock-photo-red-heart-and-euro-on-silver-balance-on-black-isolated-background-69419866.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="Physics: Physical & Non-Physical Quantity Definition" border="0" height="242" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4A_HtZG0ou3tZ5rr6186V1ZDvnfGhnfdF1J94AXzqNVz9s0zJ-w5SeAyOGVrMqdAlrvZu8YBR1OfZ7XDxDrSo7btauT7ohEcMOxFOqTYuHjNOUvarC01Gwyiot5K3OQ-ktPvJY8HFgxo/s1600/stock-photo-red-heart-and-euro-on-silver-balance-on-black-isolated-background-69419866.jpg" title="Physics: Physical & Non-Physical Quantity Definition" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Credit: Shutterstock</td></tr>
</tbody></table>
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In physics, the measurement deals with physical quantity
only. Quantity can be classified into two types; they are physical and
non-physical quantity. <o:p></o:p></div>
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Physical Quantities are those quantities that can be
measured, either directly or indirectly. Some physical quantities are dependent
on other quantities while others do not depend on any further quantities except
themselves. The examples of physical quantities are: Mass, Acceleration,
Temperature, Force, Pressure, Electric Current, Potential Difference, etc. On
the basis of their dependency, they are further classified into two types; they
are Fundamental and Derived Quantity. We will discuss about them in next post.<o:p></o:p></div>
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Unlike physical quantities, non-physical quantities are
those quantities that cannot be measured by any mean or media. These quantities
do not have magnitude of themselves. Some example of non-physical quantities
are: Feelings, Angriness, Rudeness, etc. No one can measure the feeling of a
person, or love, etc. </div>
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Hence these things cannot be measured and therefore are
known as non-physical quantity.<o:p></o:p></div>
</div>

Physics: Physical & Non-Physical Quantity Definition

Credit: Shutterstock In physics, the measurement deals with physical quantity only. Quantity can be classified into two types; they ...

What Measurement is Accurate Measurement?

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<br />
<br />
As physics says, the quantity that can be expressed with a
magnitude that has its own value is known as physical quantity. The measurement
of physical quantity can be done in various ways. For example: balance is used
to measure mass, clock is used to measure time, thermometer is used to measure
temperature, etc. <o:p></o:p></div>
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The measurement that gives a fixed value as a magnitude
after comparing an unknown quantity with other known quantity can be said as
actual or accurate measurement. For example: the measurement of time is done
using quartz crystal, which is accurate while pendulum bob (present in pendulum
clock) cannot be stood as accurate as quartz crystal. <o:p></o:p></div>
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Similarly, the measuring tapes gives the exact value of
length of an object, this is called accurate measurement.</div>
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Hence, simple, it means that the measurement that gives
exact value of something is called accurate measurement.<o:p></o:p></div>

What Measurement is Accurate Measurement?

As physics says, the quantity that can be expressed with a magnitude that has its own value is known as physical quantity. The measurem...

The Measurement Can Be Best Defined As:

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<span style="font-family: inherit;">Generally, the word measurement, in our daily life, means
the magnitude expression of something. Somehow physics also means the same
thing. Below are some of the best definitions of measurement:</span><br />
<ol>
<li><span style="font-family: inherit; text-indent: -0.25in;">Measurement is the comparison of an unknown
quantity with a well known quantity expressing its magnitude.</span></li>
</ol>
<ol>
<li><span style="font-family: inherit; text-indent: -0.25in;">It is a magnitude expression of an object.</span></li>
</ol>
<ol>
<li><span style="font-family: inherit; text-indent: -0.25in;">Expressing an object with a value for further study
or analysis.</span></li>
</ol>
<span style="font-family: inherit;">All the above definitions are
interrelated or express the same meaning. The first definition tells, an
object, for an example: a book can be compared with a measuring tape in order
to find out the exact length of the book. Similarly, other quantities like mass
of a body can be measured using balance. Hence measurement gives a value that
expresses the quantity.</span><br />
<span style="font-family: inherit;"><br /></span>
<span style="font-family: inherit;">The second definition and the
third definition exactly points to the first definition.</span><br />
<span style="font-family: inherit;"><br /></span>
<span style="font-family: inherit;">In physics, the quantities that
can be measured are called physical quantity. Some examples of measurable
quantity are: mass, length, force, acceleration, speed, velocity, etc. </span></div>
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<o:p></o:p></div>

The Measurement Can Be Best Defined As:

Generally, the word measurement, in our daily life, means the magnitude expression of something. Somehow physics also means the same thin...