3.4 Applying des Principle

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<ul><li><p>8/6/2019 3.4 Applying des Principle</p><p> 1/17</p><p>Topic:</p><p>Applying Archimedes Principle</p><p>By:</p><p>Sir Solehin</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 2/17</p><p>Previous Lesson1. Pressure</p><p>What is Pressure??</p><p> Pressure is defined as force per unitarea</p><p> P = F</p><p>A</p><p>2. Pressure in liquids P = hg</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 3/17</p><p>Try This!!!</p><p>Push the balloon into the water.</p><p>What do you feel???</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 4/17</p><p>Todays Activities:</p><p>1. Class activity to investigatethe relationship between the</p><p>buoyant force and weight offluid displaced.</p><p>2. Group discussion onArchimedes Principlesapplication.</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 5/17</p><p>What is Buoyant</p><p>Force??</p><p>An upward force resulting from an</p><p>object being wholly or partially</p><p>immersed in a fluid.</p><p>Buoyant Force is.</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 6/17</p><p>What is the relationship between</p><p>the buoyant force and the weight</p><p>of fluid displaced??</p><p>Buoyant force</p><p>Liquid</p><p>displaced</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 7/17</p><p>ACTIVITY 1 !!!</p><p>To investigate the relationship</p><p>between the buoyant force and</p><p>the weight of fluid displaced</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 8/17</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 9/17</p><p>ARCHIMEDES</p><p>PRINCIPLEState that,</p><p>when an object is wholly or</p><p>partially immersed in a fluid, it</p><p>experiences a buoyant force</p><p>equal to the weight of fluid</p><p>displaced.</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 10/17</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 11/17</p><p>Group 1, 3 &amp; 5</p><p>Group 2, 4 &amp; 6</p><p>In group, find..</p><p>- The working principle- How Archimedes Principle</p><p>was applied?</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 12/17</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 13/17</p><p>Submarine</p><p> Has special compartments ballast tanks. In diving ballast tanks are flooded with sea water to</p><p>increase the overall weight (higher than the buoyantforce)</p><p> When water is forced out of its ballast tanks, the</p><p>submarine rises.</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 14/17</p><p>Learning Outcomes</p><p>1. Explain Buoyant Force</p><p>2. Relate buoyant force to the weight of the</p><p>liquid displaced</p><p>3. State Archimedes Principle</p><p>The upward force resulting from an object being</p><p>wholly or partially immersed in a fluid.</p><p>BUOYANT FORCE = WEIGHT OF THE LIQUID DISPLACED</p><p>(for an object which immersed wholly or partially in fluid)</p><p>State that when object is wholly or partially immersed in a fluid,</p><p>it experiences a buoyant force equal to the weight of the fluid</p><p>displaced.</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 15/17</p><p>Pressure</p><p>P = F</p><p>A</p><p>Si Unit:</p><p>Pascal (Pa)</p><p>Pressure in liquids,</p><p>P = hg</p><p>Gas</p><p>pressure</p><p>Atmospheric</p><p>pressure</p><p>Archimedes</p><p>Principle</p><p>Bernoullis</p><p>Principle</p><p>Buoyant force</p><p>PascalsPrinciple</p><p>Hydraulic</p><p>system</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 16/17</p><p>Homework!!</p><p>1. Page 100 in text book</p><p>Question 1 and 2</p><p>2. Read page 100 101 in text</p><p>book</p><p>(Bernoullis Principle)</p></li><li><p>8/6/2019 3.4 Applying des Principle</p><p> 17/17</p><p>Thats all for today</p><p>Thank you for your attention!!</p></li></ul>