Ergonomics is the science of designing workspaces, products, and systems to fit the physical and cognitive capabilities of users. It aims to improve comfort, efficiency, and safety, thereby enhancing productivity and reducing the risk of injury. By considering factors such as posture, repetitive motions, and environmental conditions, ergonomics helps create user-friendly environments tailored to individual needs.
it means if it is comfortable or not. think about the 5 senses. that is what it means
Depends on the users in question. Generally this number can be from the 40s-50s though if they practice good egronomics it can be reduced. Also the question seems to be copied directly from an "Egronomically Correct" worksheet.