Is it true that, it is difficult to hold a school bag with a strap made of thin and strong string?

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True

False

answer is A.

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Detailed Solution

The given statement is true.

Pressure = \frac{Force}{Area}

“Pressure is the force acting on a unit area of any surface”. When the surface area reduces, the pressure rises and similarly, when the surface area increases, the pressure drops. Since pressure is inversely proportional to area, a smaller area of contact will apply more pressure, and a broader area of contact will apply less pressure.
Since the area of the strap is thin, the area of contact is less, which will apply more pressure on the shoulders. Hence it is difficult to hold a school bag with a strap made of thin and strong string.

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Best Online Course for NEET

Best Online Course for CBSE