题目
2025FA-HES-207-001 E. Assignment- Torque & Levers
多重下拉选择题
Refer to the lever in the diagram above and answer the following: This is a __3rd class __ lever. The lever has a __mechanical “disadvantage” MA <1 __ The function of the lever is to __increase the speed and range of motion of the resistance. __.
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标准答案
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思路分析
The task asks about identifying components of a lever from the diagram and text.
Option 1: '3rd class' — This answer corresponds to the classification of levers by the relative positions of effort, fulcrum, and load. In a 3rd class lever, the effort is applied between the fulcrum and the load, which typically incre......Login to view full explanation登录即可查看完整答案
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If a first-class lever has a resistance of 400 lbs at a distance of 10 inches from the fulcrum, and the effort arm is 50 inches, how much effort force is required to lift the resistance?
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Refer to the lever in the diagram above and answer the following: This is a __2nd class __ lever. The lever has a __mechanical “advantage” MA>1 __. The function of the lever is to __allow less effort to be required to overcome the resistance __.
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