Ergonomics meaning

The study of people's efficiency in their working environment, often applied to create tools and devices that fit the human body and its cognitive abilities.

Ergonomics is a field of study that focuses on optimizing human well-being and overall system performance by designing work environments, tools, and tasks that fit the human body's natural movements and cognitive abilities. It aims to enhance productivity and reduce the risk of injury or discomfort by considering factors such as posture, repetitive motions, and workspace layout.

Ergonomics meaning: Explanation, Formulae and Practice

These topics connect maths with money decisions. Always identify cost price, selling price, principal, rate and time before using a formula.

Ergonomics meaning visual revision aid

Practical Formulae

Profit = selling price - cost price.
Loss = cost price - selling price.
Profit percentage = (profit / cost price) x 100.
Simple interest = (principal x rate x time) / 100.
Amount = principal + interest.

Solved Example

Question: An item is bought for Rs. 500 and sold for Rs. 575. Find the profit percentage.

Working: Profit = 575 - 500 = 75. Profit percentage = (75 / 500) x 100.

Result: Profit percentage = 15%.

Unanswered Practice Questions

Try these yourself before checking notes or calculators.

Find the loss percentage when CP is Rs. 800 and SP is Rs. 720.
Find simple interest on Rs. 5,000 at 8% per year for 2 years.
A shopkeeper marks an item at Rs. 1,200 and gives 10% discount. Find the selling price.

Connected SaralStudy Resources

More Glossary Continue with more pages from this section. NCERT Solutions Read textbook answers related to Ergonomics meaning. Important Formulas Revise formulas, units and examples before solving problems. Online Calculators Check calculations after learning the method. MCQ Practice Test the concept with objective questions. Sample Papers Practise board-style questions and marking patterns. Previous Year Papers Apply this topic in real exam papers.

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Ergonomics meaning