Question

Why is it difficult to climb up stairs?( ik this is a question that everybody knows, bt still u guyz can answer with the best explanation)

Answer 1

Answer:

Due to the work done against gravity

Explanation:

Our muscles and body need to do work against gravity which leads to usage of energy. This energy is obtained from oxygen ( I won't go in detail in that) which leads to more Breathing as the muscles suddenly need more oxygen. And even simple physics is used.

Answer 2

Answer:

Hi

Explanation:

That is because whenever you are climbing up the stairs you are doing work against the gravity but when you climb down you do work with the gravity. And doing work against gravity consumes more energy than doing work with the gravity.