Meaning of Work

Length: 10 minutesAuthor: kingsleyComplexity: Easy

<p><mark style="background-color:rgba(0, 0, 0, 0)" class="has-inline-color has-vivid-red-color">Meaning of Work</mark><br>Work is defined as the application of force to an object or body such that the object or body moves through a distance. Work is said to be done whenever a load moves through a distance. i.e. work = force × distance moved in the direction of the force (f × d).</p> <p><br>Work involves applying force over a certain known distance. Work is therefore a product of force and the distance through which the force is applied. The unit of energy and work is known as Joules (j). A joule is the work done when a force of one (1) newton moves through a distance of one (1) metre.</p> <p><br>Example 1: If the mass of a block is 5kg, the work done by the block in moving up through 0.3m is given by: <div class="sign-up-notice-after-excerpt-two" style="background-color:powderblue;"> You are viewing an excerpt of this lesson. Subscribing to the subject will give you access to the following: <ul> <li>The complete lesson note and evaluation questions for this topic</li> <li>The complete lessons for the subject and class (First Term, Second Term & Third Term)</li> <li>Media-rich, interactive and gamified content</li> <li>End-of-lesson objective questions with detailed explanations to force mastery of content</li> <li>Simulated termly preparatory exams</li> <li>Discussion boards on all lessons and subjects</li> <li>Guaranteed learning</li> <li>Win great prizes for topping the <a href="">Primacy Ebooks</a></li> </ul> </div> <div class="sensei-message info"></div>

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