8. Based on the data, which of the following statements BEST reflects the relationship between thickness of the soil and the force that the soil has?
O A. The thicker the soil, the more force it has.
OB. The thinner the soil, the more force it has.
O C. The force increases after all the soil has piled up
O D. There is no direct relationship between force and thickness.

answer; equivalent to a one(1) horsepower motor;

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.