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Why is it difficutl to hold a school bag having a strap made of a thin and strong string?
Rashmirkd2
for a given weight (force), reducing the contact area ie thinner strap, increases the pressure proportionally
pressure (pascals) = force (newtons)/ contact area (m^2)
half the area = twice the pressure
weight of bag * 9.81 = downward force in newtons
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∙ 12y ago
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Why is difficult to hold a school bag having strap made of thin and strong string?
Because, the thinner strap occupies more area. So, pressure is concentrated at the small area, leading to pain. In case of thicker strap, the bag load is distributed on more area. So, the concentration load becomes less.Read more: Why_it_is_difficult_to_hold_a_school_bag_having_a_strap_made_of_a_thin_and_strong_string
