connect the following using worlds expressing cause and effect relationshi:
A nail has pierced the Tyr it has become flattened
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It is easier to fix a sharp nail in the wall than a blunt nail although both will be piercing with the same force.
More pressure is exerted by sharp nails. The surface area in the nail tip is small. So Pressure = Force/Area. A blunt nail on the other hand puts less pressure as the tip of the nail covers large surface area.
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