Which of the following statements best states Newton's second law?
a. The net force on an object will equal the mass of the object multiplied by its velocity.
b. The net force on an object will equal the mass of the object multiplied by its acceleration.
c. Any one force that acts on an object will equal the mass of the object multiplied by its acceleration.
d. Any one force that acts on an object will equal the mass of the object multiplied by its velocity.