Question

heavy load carrying lorries have 10 wheels

Answer 1

they have ten whells because we now day if the area increase the pressure decrease so instead of two whells . the ten wheela have more area and the pressure exist is less then two wheller vechicals .and another reason is that in ten wheels we do not have to exert more power . we can simply move the vehical easily

Answer 2

heavy load carrying lorries have 10 wheels instead of two wheels because we know that when the area increases the pressure decreases then if we only used 2 wheels then the pressure will increase with decreasein area so that is why we use 10 wheels .