SHM

Question 1

State what is meant by simple harmonic motion (2 marks)
OR
State two conditions for an object to show Simple harmonic motion (2 marks)

Answer 1

• Acceleration proportional to the displacement

- Acceleration in opposite direction to displacement

Question 2

How to rearrange simple pendulum equation

Answer 2

Squaring both sides does NOT give
T^2=2Pi L/g
you have to square the pi to get 4pi^2

Question 3

Where should a fiducial mark be placed and why? (in a system)

Answer 3

• Should be placed at the equilibrium position

- Since speed of mass is greatest there