Question

Explain why should bags of school bags are provided with broad straps?

Answer 1

school bags have broad straps so that the weight of bag may fall over large area of the shoulder of the child producing less pressure on the shoulder .and due to less pressure ti is more comfortable to carry heavy school bag

Answer 2

School bags are provided with broad strips because pressure is inversely proportional to area. When area is wide the pressure is low on student arms. It is also affected by books weight. Wide strips reduce pressure exerted by books weight.
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