Question

Why do school bags have wide straps?
(a)To increase pressure
(b)To reduce pressure
(c)To increase force
(d)None of the above​

Answer 1

Answer:

Broad shoulder straps provide larger surface area. So, the pressure exerted by the bag on the shoulder is less and carrying the bad is easier.

Answer 2

School bags have wide straps to reduce pressure in shoulders as pressure is inversely proportional to area of contact which means that more area , less pressure .

Answer is (b)

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