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<title>Hello, World!</title>
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<h1 class="title"><i>Force</i></h1>
<p>A force is an influence that can cause an object to change its velocity unless counterbalanced by other forces. The concept of force makes the everyday notion of pushing or pulling mathematically precise. Because the magnitude and direction of a force are both important, force is a vector quantity. The SI unit of force is the newton (N), and force is often represented by the symbol F.</p>
<p>Force plays an important role in classical mechanics. The concept of force is central to all three of Newton's laws of motion. Types of forces often encountered in classical mechanics include elastic, frictional, contact or "normal" forces, and gravitational. The rotational version of force is torque, which produces changes in the rotational speed of an object. In an extended body, each part often applies forces on the adjacent parts; the distribution of such forces through the body is the internal mechanical stress. In equilibrium these stresses cause no acceleration of the body as the forces balance one another. If these are not in equilibrium they can cause deformation of solid materials, or flow in fluids.</p>
<p>In modern physics, which includes relativity and quantum mechanics, the laws governing motion are revised to rely on fundamental interactions as the ultimate origin of force. However, the understanding of force provided by classical mechanics is useful for practical purposes.</p>
<h1>Laws Of Newton</h1>
<h2>First Law</h2>
<p>Newton's first law of motion states that the natural behavior of an object at rest is to continue being at rest, and the natural behavior of an object moving at constant speed in a straight line is to continue moving at that constant speed along that straight line. The latter follows from the former because of the principle that the laws of physics are the same for all inertial observers, i.e., all observers who do not feel themselves to be in motion. An observer moving in tandem with an object will see it as being at rest. So, its natural behavior will be to remain at rest with respect to that observer, which means that an observer who sees it moving at constant speed in a straight line will see it continuing to do so.</p>
<h2>Second Law</h2>
<p>According to the first law, motion at constant speed in a straight line does not need a cause. It is change in motion that requires a cause, and Newton's second law gives the quantitative relationship between force and change of motion. Newton's second law states that the net force acting upon an object is equal to the rate at which its momentum changes with time. If the mass of the object is constant, this law implies that the acceleration of an object is directly proportional to the net force acting on the object, is in the direction of the net force, and is inversely proportional to the mass of the object.</p>
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HTML(Hyper Text Markup language) is the standard markup language for Web pages, was created by Berners-Lee in the year 1991. Almost every web page over internet might be using HTML.
<!DOCTYPE html><html> and ends with </html><h1> to <h6> where <h1> is the highest important heading and <h6> is the least important sub-heading.<p>..</p> tag.<a> tag.
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<img> tag, where src attribute consists of image name.<button>..</button> tag<ul> for unordered/bullet list and <ol> for ordered/number list, and the list items are defined in <li>.<a href="https://onecompiler.com/html">HTML online compiler</a>
CSS(cascading style sheets) describes how HTML elements will look on the web page like color, font-style, font-size, background color etc.
Below is a sample style sheet which displays heading in green and in Candara font with padding space of 25px.
body{
padding: 25px;
}
.title {
color: #228B22;
font-family: Candara;
}
<table> tag.<tr> tag<th> tag<td> tag<caption> tag<script> is the tag used to write scripts in HTML<script src="script.js"></script>