Question

Q) Four school bags of same size and dimensions but with different strap sizes are available. Among these, the strap offering the most comfort while carrying the bag would be *


• 2 cm wide strap
• 3 cm wide strap
• 4 cm wide strap
• 5 cm wide strap​

Answer 1

Answer:

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• 5 cm wide strap

Answer 2

The 5cm wide strap is going to offer the most comfort while carrying the bag. ( option d )

• The four schools having the same size and dimensions will apply different pressure on the shoulder of the students since the strap sizes are different.
• We know, Force is equal to pressure multiplied by the area of the surface. Therefore, Pressure is equal to force divided by the area.
• Hence, pressure is inversely proportional to the area of the surface. here the strap of the bag is the surface. The bag with the widest strap surface will apply the least pressure and hence more comfort in carrying it.