Give reasons for the following statements: a. Trucks intended to carry heavy loads have eight tyres instead of four. b. It is easier to hammer a sharp nail into wood than a blunt one.
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A:
Trucks have eight tires instead of food because we increase the surface area of the ground. We know that pressure is inversely proportional to the surface area So, when surface area Increases pressure decreases which helps to minimise the Load of the heavy truck on tires.
B:
Surface area is inversely proportional to pressure therefore when we decrease surface area the pressure increases
Trucks have eight tires instead of food because we increase the surface area of the ground. We know that pressure is inversely proportional to the surface area So, when surface area Increases pressure decreases which helps to minimise the Load of the heavy truck on tires.
B:
Surface area is inversely proportional to pressure therefore when we decrease surface area the pressure increases
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