Asimple pendulum consists of a point mass suspended by a weightless, rigid wire in a uniform gravitation field. which of the following statements are true when the system undergoes small oscillations? check all that apply. a. the period is independent of the length of the wire. b. the period is inversely proportional to the length of the wire. c. the period is independent of the suspended mass. d. the period is proportional to the suspended mass. e. the period is proportional to the square root of the length of the wire. f. the period is inversely proportional to the suspended mass.