Which of the following is not an example of approximate simple harmonic motion?
a.a toy car rolling across the floor
b.a child swinging on a swing
c.a piano wire that has been struck
d.a pendulum with an angle of less than 15°

Question

Which of the following is not an example of approximate simple harmonic motion?
a.a toy car rolling across the floor
b.a child swinging on a swing
c.a piano wire that has been struck
d.a pendulum with an angle of less than 15°

anonymous · Answer

it's 'a'
others will going back and forth from equilibrium position