Once released, a pendulum swings back and forth in a state of simple harmonic motion. Ignoring any drag or friction effects, which of these statements about the motion of the pendulum is true?
a/ The energy, linear and angular momentum are conserved.
b/ The energy and linear momentum are conserved, but not angular momentum.
c/ The energy and angular momentum are conserved, but not linear momentum.
d/ The energy is conserved, but not angular or linear momentum.
e/ Nothing is conserved.
Explain your response in the space provided.