This diagram shows the piston of a small car engine that oscillates in the cylinder with a motion that approximates simple harmonic motion at 4200 revs per minute (1rev = 1 cycle). The mass of the piston is 0.24 kg.

a. Explain what is meant by simple harmonic motion.b. Calculate the frequency of the oscillation.c. The amplitude of the oscillation is 12.5 cm. Calculate:i. The maximum speed at which the piston movesii. The maximum acceleration of the pistoniii. The force required on the piston to produce the maximum acceleration.