In the absence of unbalanced forces, it is the natural tendency of an object to
(answer all that are correct):
a. keep its velocity constant
b. maintain its state of motion
c. if the object is at rest, it will remain at rest.

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely