We are asked to know the reason why magnetic dipole can be written as U = -m *B. The reason for this was that the negative sign is just showing or indicating the direction of the force. If it if negative, it means that the work done is opposite to the force field.
Im not exactly sure but I think the answer is techtonic plates collide
Oh my lord lol I was do ready to help then I saw numbers
Your answer is 311.29271 lbs