Question

why do large trucks that Carry heavy loads have many wheels​

Answer 1

Answer:

This helps to distribute the load over a greater area so as to reduce the pressure on the roads and on individual tires; this is good for road economy and tire life as well. ... Due to the high center of gravity of trucks, over-heating is bound to occur at high speed leading to blow-out of a tire

Explanation:

Answer 2

Answer:

Each wheel and only hold so much weight per in^2

Explanation:

there's a maximum amount of  weight a wheel can hold EX: 5 pounds. if you have 4 wheels the maximum weight would be 20 pounds. If the truck and its belongings weighed 30 pounds it would not be able to carry all the weight