If balanced use of both hands is possible in a task, why is it ergonomically good?
Answer and explanation
Correct answer: Continuous strain and fatigue on one hand are reduced
Balanced use of both hands distributes the workload instead of placing continuous demand on one hand, wrist, and arm. This can reduce local fatigue and the risk of repetitive strain or injury, making the task ergonomically better. Requiring more force or increasing awkward posture are ergonomic risks, not benefits. Exam tip: In ergonomics, options that improve load distribution, force, and posture are usually correct.
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What is the correct answer to this question?
Continuous strain and fatigue on one hand are reduced
Why is this the correct answer?
Balanced use of both hands distributes the workload instead of placing continuous demand on one hand, wrist, and arm. This can reduce local fatigue and the risk of repetitive strain or injury, making the task ergonomically better. Requiring more force or increasing awkward posture are ergonomic risks, not benefits. Exam tip: In ergonomics, options that improve load distribution, force, and posture are usually correct.
Which subject and chapter does this question cover?
This is a Class 11 Home Science question. Chapter: Work, Livelihood and Career. Topic: Ergonomics: definition, need and benefits.
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