Your task is to conduct a laboratory test and produce a word-processed lab report of 2000 words (+/- 10%).

| April 14, 2018


Your task is to conduct a laboratory test and produce a word-processed lab report of 2000 words (+/- 10%). You will be penalised by 10% for missing the word count. Your submission will be electronic via Turnitin look in the assessment tab in BB, DO NOT INCLUDE THE LAB BRIEF / COVER SHEETas it skews the plagiarism report, just submit the report. A typical lab report should include: • Title page • Abstract/Summary • Table of Contents • List of Figures/Tables (if applicable) • Introduction • Background Theory • Experimental Procedure/Methodology • Results and Analysis (tables, graphs, figures, calculations) • Discussion of Results • Conclusions and Recommendations • References • Appendices (if applicable) When preparing your analysis, you are free to make assumptions. However all assumptions must be clearly stated and justified in your report. You are expected to do additional research and reading as part of this assignment. All source material must be referenced according to the Harvard Referencing system. Procedure • Complete a results table, similar to the table below. • Weight the ladder. • Fit the parts to the Work Panel as shown in Figure 1. The exact positions are not critical as you will make slight changes as you do the experiment. • Temporarily unhook the spring balance and zero its indicator by holding the top hook and adjusting the control until the pointers line up at zero. • Refit the balance to the Work Panel. This balance will measure the horizontal force at the bottom of the ladder. • Adjust the magnetic mounts (with the ‘U’ shape holder), so the ladder is at 15° to the vertical • Add a load of 300g to the middle rung of the ladder, using a short cord. This simulates a heavy ladder or a load at the middle of the ladder to give good results with this equipment. Smaller loads will give lower force readings and less accurate results. • Carefully add masses to the weight hanger that pulls the ladder upwards from the bottom. This is equal to the vertical force. Stop adding weights when the ladder just starts to ‘float’ in its bottom mount. The masses on this hanger should equal the total load (the weight of the ladder and the load at the middle rung). This proves, the first part of the theory (vertical reaction = load of ladder). • Carefully add masses to the hanger that pulls the top of the ladder horizontally until the ladder starts to ‘float’ in this mount. This force is equal to the horizontal force. • Recheck the ladder angle and record. • Repeat the experiment for other ladder angles as shown in the results table.

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