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11/25Using a block and tackle pulley, how much resistance would a 90lb effort force lift which has 12 ropes supporting the resistance?22/25If a wedge is 4 inches wide and 24 inches long, what is its mechanical advantage?33/25 What name is given to the force that pulls materials apart?44/25The rate of change of velocity over time [...]
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In this final section of this ASVAB Mechanical Comprehension guide, we review the most important elements you need to keep in mind, as well as how you should approach your future study. In the introduction to this ASVAB Mechanical Comprehension study guide, we looked at how the exam itself is structured and what time you [...]
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In this section, we take a comprehensive look at the structures and properties of materials. Along with principles of mechanics and mechanical devices, this completes the ASVAB test syllabus for this subject. Many of the questions above concerned the concept of load, and this concept is further examined in other ASVAB Mechanical Comprehension questions. You [...]
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This section continues our assessment of mechanical devices by looking at specific examples – including pulleys, gears, sheaves, and ramps. This will complete our understanding of the devices you need to know for this exam. In this section, we will be looking at the following simple machines: pulley, sheaves, gears, and ramps. While this may [...]
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In this section, we take a look at the principles that underpin mechanical devices. These principles are essential to understanding mechanics and, as a result, frequently appear on the exam. This section of our ASVAB Mechanical Comprehension study guide looks at what machines are and how they operate. Specifically, we need to know what we’re [...]
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In this section, we uncover some of the most fundamental physical and chemical principles underpinning the operation of modern devices. An understanding of such principles is essential to success at the ASVAB Mechanical Comprehension exam. We start by asking one simple question – what is energy? Energy, to put it simply, is the ability to [...]
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