Differentiate between Muscular force and Gravitational force. Why are shoulder bags provided with broad straps instead of thin ones?
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Explanation:
Muscular force: Muscular force is the force produced by the muscles of living beings.
Gravitational force: It is the force or pull exerted by the earth on the object.
Shoulder bags are provided with broad straps so as to increase the surface area on which the force is acting. By doing so, the pressure decreases. As P = FORCE / AREA If the bags were provided with thin straps, the pressure would have increased causing pain in shoulders.
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