I think the answer is c chemical change
Explanation:
1. W = F x D
F = W/D
F = 120/6 = 20Newton
2. P. E = mgh
P. E = 1.5x10x2 = 30Joules
3. It means that the energy the body possesses at that point is 20Joules
In a Horsehoe magnet, maximum magnetic field is concentrated between the poles.
Hope this helps!
Answer: sum of forces is zero
Explanation: acording to the newton first law you can say that the sum of the forces acting over the object is zero no matter the direction of movement
good luck
mario
