<section>
<h2 class="title">Summary and Key Concepts</h2>
<ul>
<li>
<p>A scalar is a physical quantity with magnitude only.</p>
</li>
<li>
<p>A vector is a physical quantity with magnitude and direction.</p>
</li>
<li>
<p>Vectors may be represented as arrows where the length of the arrow indicates the magnitude and the arrowhead indicates the direction of the vector.</p>
</li>
<li>
<p>The direction of a vector can be indicated by referring to another vector or a fixed point (e.g. \(\text{30}\)\(\text{°}\) from the river bank); using a compass (e.g. N \(\text{30}\)\(\text{°}\) W); or bearing (e.g. \(\text{053}\)\(\text{°}\)).</p>
</li>
<li>
<p>The resultant vector is the single vector whose effect is the same as the individual vectors acting together.</p>
</li>
</ul>
</section>

1c4ddb66-ad36-4f81-90e7-4629f497d0b4

Summary and Main Ideas

Physics is a science discipline concerned with the nature and properties of matter and energy. Physics topics include mechanics, heat, light and radiation, sound, electricity, magnetism, the structure of atoms, and so on.

Physics

Discover the principles and operations of scalars and vectors such as graphical and algebraic techniques of vector addition, finding magnitude with Pythagoras theorem, and resultant force on a submarine.


Vectors and Scalars

Common Physical Quantities

Components Of Vectors

Graphical Representation Of Vectors

Introduction To Vectors And Scalars

Properties Of Vectors

Resultant Of Perpendicular Vectors

Summary of Vector and Scalars

Summary of Vectors In Two Dimensions

Techniques Of Vector Addition

Summary and Main Ideas

Track Your Learning Progress

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