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Why can work height differ for different tasks in ergonomics?

Answer and explanation

Correct answer: Because task nature and body needs are different

Answer: A, because a suitable working height depends on what the worker is doing, the force needed, the precision required, and the body position that allows safe and comfortable work. A fine task may require the work surface to be higher so the worker can see and control small movements. A task involving force or heavy objects may require a different height so the worker can use the arms and body without excessive bending or shoulder strain. Ergonomics adapts the workplace to the person and task. B is wrong because ergonomic design uses principles and measurements. C is wrong because tasks differ in movement, force, and accuracy. D is wrong because safety is one of the main aims of ergonomics. Memory cue: match the height to the task, posture, reach, and force.

Related tags

Home ScienceErgonomicsWork HeightPostureErgonomics: DefinitionNeed And BenefitsErgonomics Definition Need And BenefitsWorkLivelihood And CareerWork Livelihood And Career

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