Engineering · Unit 4 · Machines, mechanisms and control · Machines, mechanisms and control
Comprehend the function and purpose of basic machines, including - bicycle - car jack - crowbar.
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Comprehend and calculate the function and operation of spur, worm, and rack and pinion gears using the formulas 𝐺𝑅 𝑜𝑟 𝑉𝑅 𝑓𝑜𝑟 𝑔𝑒𝑎𝑟𝑠 = 𝑟𝑎𝑑𝑖𝑢𝑠,𝑑𝑖𝑎𝑚𝑒𝑡𝑒𝑟,𝑐𝑖𝑟𝑐𝑢𝑚𝑓𝑒𝑟𝑒𝑛𝑐𝑒 𝑜𝑟 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑡𝑒𝑒𝑡ℎ 𝑜𝑛 𝑑𝑟𝑖𝑣𝑒𝑛 𝑔𝑒𝑎𝑟 𝑟𝑎𝑑𝑖𝑢𝑠,𝑑𝑖𝑎𝑚𝑒𝑡𝑒𝑟,𝑐𝑖𝑟𝑐𝑢𝑚𝑓𝑒𝑟𝑒𝑛𝑐𝑒 𝑜𝑟 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑡𝑒𝑒𝑡ℎ 𝑜𝑛 𝑑𝑟𝑖𝑣𝑒𝑟 𝑔𝑒𝑎𝑟 𝐺𝑅 𝑜𝑟 𝑉𝑅 𝑓𝑜𝑟 𝑔𝑒𝑎𝑟𝑠 = 𝑎𝑛𝑔𝑢𝑙𝑎𝑟 𝑚𝑜𝑣𝑒𝑚𝑒𝑛𝑡 𝑜𝑓 𝑑𝑟𝑖𝑣𝑒𝑟 𝑔𝑒𝑎𝑟 (𝑒𝑓𝑓𝑜𝑟𝑡) 𝑎𝑛𝑔𝑢𝑙𝑎𝑟 𝑚𝑜𝑣𝑒𝑚𝑒𝑛𝑡 𝑜𝑓 𝑑𝑟𝑖𝑣𝑒𝑛 𝑔𝑒𝑎𝑟 (𝑙𝑜𝑎𝑑) Engineering 2025 v1.4
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Create logic gate circuits diagrams and corresponding truth tables based on specified conditions, e.g. - traffic light function - boom gates at a railway crossing - thermostatically controlled incubator or cooking system or barbecue - sun-tracking systems for solar panels - solar-powered devices, e.g. battery chargers, model vehicles, lighting systems.