There are 2 school bags A and B. Bag A is provided with a broader strap while bag B is provided with a thinner strap. For the same load, a school boy likes bag A as he is comfortable with it, but with bag B he develops a pain in his shoulders. This is because:
A
Bag A has a broader strap than B due to which the pressure felt is less for the same load.
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B
Bag B has a thinner strap than A due to which the pressure felt is more for the same load.
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C
Both A and B.
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D
None of these.
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Solution
The correct option is CBoth A and B. Since, pressure is the force per unit area, therefore, in bag A as the straps are broader, the pressure developed would be less than B for the same load.