An object cannot remain at rest unless which of the following holds?
a. the net force acting on it is zero.
b. the net force acting on it is constant and nonzero.
c. there are no forces at all acting on it.
d. there is only one force acting on it.

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils