Question 36:
Explain why, school bags are provided with wide straps to carry them.
Lakhmir Singh Physics Class 9
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Larger the area smaller the pressure. School bags usually have broad straps so that the weight of the bag may fall over a large area on the shoulder producing less pressure and less pressure, it is comfortable to carry heavy bag
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Answer:
Schools bags are provided with wide straps. On carrying them on our shoulders, the area under these straps enlarges, exerting a small pressure.
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