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RESEARCH POSTER PRESENTATION DESIGN © 2012 www.PosterPresentations.co m (—THIS SIDEBAR DOES NOT PRINT—) DESIGN GUIDE This PowerPoint 2007 template produces an A3 presentation poster. You can use it to create your research poster and save valuable time placing titles, subtitles, text, and graphics. We provide a series of online answer your poster production questions. To view our template tutorials, go online to PosterPresentations.com and click on HELP DESK. When you are ready to print your poster, go online to PosterPresentations.com Need assistance? Call us at 1.510.649.3001 QUICK START Zoom in and out As you work on your poster zoom in and out to the level that is more comfortable to you. Go to VIEW > ZOOM. Title, Authors, and Affiliations Start designing your poster by adding the title, the names of the authors, and the affiliated institutions. You can type or paste text into the provided boxes. The template will automatically adjust the size of your text to fit the title box. You can manually override this feature and change the size of your text. TIP: The font size of your title should be bigger than your name(s) and institution name(s). Adding Logos / Seals Most often, logos are added on each side of the title. You can insert a logo by dragging and dropping it from your desktop, copy and paste or by going to INSERT > PICTURES. Logos taken from web sites are likely to be low quality when printed. Zoom it at 100% to see what the logo will look like on the final poster and make any necessary adjustments. TIP: See if your company’s logo is available on our free poster templates page. Photographs / Graphics You can add images by dragging and dropping from your desktop, copy and paste, or by going to INSERT > PICTURES. Resize images proportionally by holding down the SHIFT key and dragging one of the corner handles. For a professional-looking poster, do not distort your images by enlarging them disproportionally. Image Quality Check Zoom in and look at your images at 100% magnification. If they look good they will print well. ORIGINAL DISTORTED Corner handles Good printing quality Bad printing quality QUICK START (cont.) How to change the template color theme You can easily change the color theme of your poster by going to the DESIGN menu, click on COLORS, and choose the color theme of your choice. You can also create your own color theme. You can also manually change the color of your background by going to VIEW > SLIDE MASTER. After you finish working on the master be sure to go to VIEW > NORMAL to continue working on your poster. How to add Text The template comes with a number of pre-formatted placeholders for headers and text blocks. You can add more blocks by copying and pasting the existing ones or by adding a text box from the HOME menu. Text size Adjust the size of your text based on how much content you have to present. The default template text offers a good starting point. Follow the conference requirements. How to add Tables To add a table from scratch go to the INSERT menu and click on TABLE. A drop-down box will help you select rows and columns. You can also copy and a paste a table from Word or another PowerPoint document. A pasted table may need to be re-formatted by RIGHT-CLICK > FORMAT SHAPE, TEXT BOX, Margins. Graphs / Charts You can simply copy and paste charts and graphs from Excel or Word. Some reformatting may be required depending on how the original document has been created. How to change the column configuration RIGHT-CLICK on the poster background and select LAYOUT to see the column options available for this template. The poster columns can also be customized on the Master. VIEW > MASTER. How to remove the info bars If you are working in PowerPoint for Windows and have finished your poster, save as PDF and the bars will not be included. You can also delete them by going to VIEW > MASTER. On the Mac adjust the Page-Setup to match the Page-Setup in PowerPoint before you create a PDF. You can also delete them from the Slide Master. Save your work Save your template as a PowerPoint document. For printing, save as PowerPoint of “Print-quality” PDF. Student discounts are available on our Facebook page. Go to PosterPresentations.com and click on the FB icon. © 2013 PosterPresentations.com 2117 Fourth Street, Unit C Berkeley CA 94710 firstname.lastname@example.org When two surfaces are moving with respect to one another, the frictional resistance is almost constant over a wide range of low speeds. The coefficient of kinetic friction is typically less than the coefficient of static friction, reflecting the common experience that it is easier to keep something in motion across a horizontal surface than to start it in motion from rest, in accordance with Newton’s laws. Saying that rougher surfaces experience more friction seems like a reasonable assumption- two pieces of coarse sandpaper will obviously be harder to move relative to each other than two pieces of fine sandpaper. However, if two pieces of flat metal are made progressively smoother, you will reach a point where the resistance to relative movement increases. If you make them very flat and smooth, and remove all surface contaminants in a vacuum, the smooth flat surfaces will actually adhere to each other, making what is called a "cold weld". Once you reach a certain degree of mechanical smoothness, the frictional resistance is found to depend on the nature of the molecular forces in the area of contact, so that substances of comparable "smoothness" can have significantly different coefficients of friction. Using an experiment, researchers are attempting to discover the coefficients of kinetic friction of various surfaces which have applications in the engineering world. Coefficients of friction are key to the development of brakes, tires, and other necessities. By conducting this experiment, the researchers will have a better understanding of how friction varies from surface to surface. How does the coefficient of friction vary from surface to surface? How does the coefficient of kinetic friction vary based on the surface on which an object is sliding? Conclusion After completing this experiment, the researchers concluded that glass has the highest coefficient of kinetic friction, followed by metal, and then wood. The theoretical values for the coefficient of static friction were used to determine what the ideal coefficient of kinetic friction would be. For wood on glass, there was no theoretical value. However, the researchers were able to conclude that the value of the coefficient of kinetic friction must be higher than that of the theoretical value of the coefficient of static friction for metal on glass. The coefficient of static friction for metal on glass ranges from 0.5-0.7, the coefficient of static friction for wood on glass should be greater than these values, but less than the predicted coefficient of static friction for wood on glass because kinetic friction is less than static friction. The experimental value of.772 is in accordance with the theoretical values found through research. For wood on metal, the theoretical coefficient of static friction is 0.2-0.6. Again, the coefficient of kinetic friction should be lower than these values, however the experimental value of.728 for the coefficient of kinetic friction for wood on metal does not agree with the research. Lastly, for wood on wood, the theoretical coefficient of static friction is 0.25-0.5. The experimental coefficient of kinetic friction is 0.599 which is slightly greater than the upper end of the range for static friction, meaning that the experimental data does not agree with the research. The contradictions that occurred between the theoretical and experimental values could have occurred due to human error, the grain of the wood, and the specific surfaces that were used. In order to obtain more accurate results, more experimentation should be conducted. References http://hyperphysics.phy-astr.gsu.edu/hbase/frict2.html http://www.engineeringtoolbox.com/friction-coefficients-d_778.html Materials Wooden Block Metal sheet Glass panel Wooden board Photogates/ LabQuest Ring stands/ clamps Meter stick Chair Variables: Independent- Surface type Dependent- coefficient of kinetic friction found Procedure: 1.Set up a ramp using one of the three surfaces (wooden board, glass panel, or metal sheet) and a chair, and measure the height of the ramp using the meter stick 2.Using a ring stand and the clamps, set up the photogates at the bottom of the board and measure the distance between the photogates using the meter stick 3.Begin sliding the wooden block down one ramp and through the photogates and record the times between blocked to blocked on the LabQuest (do ten trials for each ramp) 4.Repeat for each type of ramp 5.Record your data from each of the trials and calculate velocity of the wooden block at the bottom of the ramp by dividing the distance between the photogates by the time provided by the LabQuest Equations Required: W=ΔE= E f – E o = KE – PE = Fdcos(Θ) F f =μ k F n Tindall Smith and Darby Ashe Surface Friction
QUICK START (cont.) How to change the template color theme You can easily change the color theme of your poster by going to the DESIGN menu, click on COLORS,
RESEARCH POSTER PRESENTATION DESIGN © (—THIS SIDEBAR DOES NOT PRINT—) DESIGN GUIDE This PowerPoint 2007 template produces.
QUICK TIPS (--THIS SECTION DOES NOT PRINT--) This PowerPoint template requires basic PowerPoint (version 2007 or newer) skills. Below is a list of commonly.
(THIS SIDEBAR DOES NOT PRINT) NLU DESIGN GUIDE This PowerPoint 2011 template produces a 48”x36” presentation poster. Use it to create your research poster.
RESEARCH POSTER PRESENTATION DESIGN © QUICK START (cont.) How to change the template color theme You can easily change.
RESEARCH POSTER PRESENTATION DESIGN © s.com QUICK START (cont.) How to change the template color theme You can easily change.
QUICK DESIGN GUIDE (--THIS SECTION DOES NOT PRINT--) This PowerPoint 2007 template produces a 36x48 inch professional poster. You can use it to create.
QUICK DESIGN GUIDE (--THIS SECTION DOES NOT PRINT--) This PowerPoint 2007 template produces a 36”x60” professional poster. It will save you valuable time.
(—THIS SIDEBAR DOES NOT PRINT—) DESIGN GUIDE This PowerPoint 2007 template produces an A3 presentation poster. You can use it to create your research poster.
RESEARCH POSTER PRESENTATION DESIGN © QUICK TIPS (--THIS SECTION DOES NOT PRINT--) This PowerPoint template requires basic.
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